Fix memory leaks relating to timing logger.

Bug: 11670287.
We use pointers to uninitialized values for control-flow in the timing logger
code, add TODO comments to clean this up later.
Remove base namespace and other bits of tidying.

Change-Id: I1e6600a1e92f974c8f58f3a405a4e4abb4d9f80f
diff --git a/compiler/dex/compiler_ir.h b/compiler/dex/compiler_ir.h
index 546ce4a..3798b45 100644
--- a/compiler/dex/compiler_ir.h
+++ b/compiler/dex/compiler_ir.h
@@ -94,7 +94,7 @@
 
   UniquePtr<MIRGraph> mir_graph;   // MIR container.
   UniquePtr<Backend> cg;           // Target-specific codegen.
-  base::TimingLogger timings;
+  TimingLogger timings;
 };
 
 }  // namespace art
diff --git a/compiler/dex/frontend.cc b/compiler/dex/frontend.cc
index b8cd67e..c643bf8 100644
--- a/compiler/dex/frontend.cc
+++ b/compiler/dex/frontend.cc
@@ -157,7 +157,7 @@
   if (enable_debug & (1 << kDebugTimings)) {
     timings.EndSplit();
     LOG(INFO) << "TIMINGS " << PrettyMethod(method_idx, *dex_file);
-    LOG(INFO) << Dumpable<base::TimingLogger>(timings);
+    LOG(INFO) << Dumpable<TimingLogger>(timings);
   }
 }
 
diff --git a/compiler/driver/compiler_driver.cc b/compiler/driver/compiler_driver.cc
index d74383e..b9df1d6 100644
--- a/compiler/driver/compiler_driver.cc
+++ b/compiler/driver/compiler_driver.cc
@@ -503,7 +503,7 @@
 
 void CompilerDriver::CompileAll(jobject class_loader,
                                 const std::vector<const DexFile*>& dex_files,
-                                base::TimingLogger& timings) {
+                                TimingLogger& timings) {
   DCHECK(!Runtime::Current()->IsStarted());
   UniquePtr<ThreadPool> thread_pool(new ThreadPool("Compiler driver thread pool", thread_count_ - 1));
   PreCompile(class_loader, dex_files, *thread_pool.get(), timings);
@@ -546,7 +546,7 @@
   }
 }
 
-void CompilerDriver::CompileOne(const mirror::ArtMethod* method, base::TimingLogger& timings) {
+void CompilerDriver::CompileOne(const mirror::ArtMethod* method, TimingLogger& timings) {
   DCHECK(!Runtime::Current()->IsStarted());
   Thread* self = Thread::Current();
   jobject jclass_loader;
@@ -591,7 +591,7 @@
 }
 
 void CompilerDriver::Resolve(jobject class_loader, const std::vector<const DexFile*>& dex_files,
-                             ThreadPool& thread_pool, base::TimingLogger& timings) {
+                             ThreadPool& thread_pool, TimingLogger& timings) {
   for (size_t i = 0; i != dex_files.size(); ++i) {
     const DexFile* dex_file = dex_files[i];
     CHECK(dex_file != NULL);
@@ -600,7 +600,7 @@
 }
 
 void CompilerDriver::PreCompile(jobject class_loader, const std::vector<const DexFile*>& dex_files,
-                                ThreadPool& thread_pool, base::TimingLogger& timings) {
+                                ThreadPool& thread_pool, TimingLogger& timings) {
   LoadImageClasses(timings);
 
   Resolve(class_loader, dex_files, thread_pool, timings);
@@ -685,7 +685,7 @@
 }
 
 // Make a list of descriptors for classes to include in the image
-void CompilerDriver::LoadImageClasses(base::TimingLogger& timings)
+void CompilerDriver::LoadImageClasses(TimingLogger& timings)
       LOCKS_EXCLUDED(Locks::mutator_lock_) {
   if (!IsImage()) {
     return;
@@ -773,7 +773,7 @@
   MaybeAddToImageClasses(object->GetClass(), compiler_driver->image_classes_.get());
 }
 
-void CompilerDriver::UpdateImageClasses(base::TimingLogger& timings) {
+void CompilerDriver::UpdateImageClasses(TimingLogger& timings) {
   if (IsImage()) {
     timings.NewSplit("UpdateImageClasses");
 
@@ -1613,7 +1613,7 @@
 }
 
 void CompilerDriver::ResolveDexFile(jobject class_loader, const DexFile& dex_file,
-                                    ThreadPool& thread_pool, base::TimingLogger& timings) {
+                                    ThreadPool& thread_pool, TimingLogger& timings) {
   ClassLinker* class_linker = Runtime::Current()->GetClassLinker();
 
   // TODO: we could resolve strings here, although the string table is largely filled with class
@@ -1632,7 +1632,7 @@
 }
 
 void CompilerDriver::Verify(jobject class_loader, const std::vector<const DexFile*>& dex_files,
-                            ThreadPool& thread_pool, base::TimingLogger& timings) {
+                            ThreadPool& thread_pool, TimingLogger& timings) {
   for (size_t i = 0; i != dex_files.size(); ++i) {
     const DexFile* dex_file = dex_files[i];
     CHECK(dex_file != NULL);
@@ -1686,7 +1686,7 @@
 }
 
 void CompilerDriver::VerifyDexFile(jobject class_loader, const DexFile& dex_file,
-                                   ThreadPool& thread_pool, base::TimingLogger& timings) {
+                                   ThreadPool& thread_pool, TimingLogger& timings) {
   timings.NewSplit("Verify Dex File");
   ClassLinker* class_linker = Runtime::Current()->GetClassLinker();
   ParallelCompilationManager context(class_linker, class_loader, this, &dex_file, thread_pool);
@@ -2192,7 +2192,7 @@
 }
 
 void CompilerDriver::InitializeClasses(jobject jni_class_loader, const DexFile& dex_file,
-                                       ThreadPool& thread_pool, base::TimingLogger& timings) {
+                                       ThreadPool& thread_pool, TimingLogger& timings) {
   timings.NewSplit("InitializeNoClinit");
 #ifndef NDEBUG
   // Sanity check blacklist descriptors.
@@ -2210,7 +2210,7 @@
 
 void CompilerDriver::InitializeClasses(jobject class_loader,
                                        const std::vector<const DexFile*>& dex_files,
-                                       ThreadPool& thread_pool, base::TimingLogger& timings) {
+                                       ThreadPool& thread_pool, TimingLogger& timings) {
   for (size_t i = 0; i != dex_files.size(); ++i) {
     const DexFile* dex_file = dex_files[i];
     CHECK(dex_file != NULL);
@@ -2219,7 +2219,7 @@
 }
 
 void CompilerDriver::Compile(jobject class_loader, const std::vector<const DexFile*>& dex_files,
-                       ThreadPool& thread_pool, base::TimingLogger& timings) {
+                       ThreadPool& thread_pool, TimingLogger& timings) {
   for (size_t i = 0; i != dex_files.size(); ++i) {
     const DexFile* dex_file = dex_files[i];
     CHECK(dex_file != NULL);
@@ -2300,7 +2300,7 @@
 }
 
 void CompilerDriver::CompileDexFile(jobject class_loader, const DexFile& dex_file,
-                                    ThreadPool& thread_pool, base::TimingLogger& timings) {
+                                    ThreadPool& thread_pool, TimingLogger& timings) {
   timings.NewSplit("Compile Dex File");
   ParallelCompilationManager context(Runtime::Current()->GetClassLinker(), class_loader, this,
                                      &dex_file, thread_pool);
diff --git a/compiler/driver/compiler_driver.h b/compiler/driver/compiler_driver.h
index 9bfea6f..7e81849 100644
--- a/compiler/driver/compiler_driver.h
+++ b/compiler/driver/compiler_driver.h
@@ -98,11 +98,11 @@
   ~CompilerDriver();
 
   void CompileAll(jobject class_loader, const std::vector<const DexFile*>& dex_files,
-                  base::TimingLogger& timings)
+                  TimingLogger& timings)
       LOCKS_EXCLUDED(Locks::mutator_lock_);
 
   // Compile a single Method
-  void CompileOne(const mirror::ArtMethod* method, base::TimingLogger& timings)
+  void CompileOne(const mirror::ArtMethod* method, TimingLogger& timings)
       SHARED_LOCKS_REQUIRED(Locks::mutator_lock_);
 
   const InstructionSet& GetInstructionSet() const {
@@ -340,43 +340,43 @@
       SHARED_LOCKS_REQUIRED(Locks::mutator_lock_);
 
   void PreCompile(jobject class_loader, const std::vector<const DexFile*>& dex_files,
-                  ThreadPool& thread_pool, base::TimingLogger& timings)
+                  ThreadPool& thread_pool, TimingLogger& timings)
       LOCKS_EXCLUDED(Locks::mutator_lock_);
 
-  void LoadImageClasses(base::TimingLogger& timings);
+  void LoadImageClasses(TimingLogger& timings);
 
   // Attempt to resolve all type, methods, fields, and strings
   // referenced from code in the dex file following PathClassLoader
   // ordering semantics.
   void Resolve(jobject class_loader, const std::vector<const DexFile*>& dex_files,
-               ThreadPool& thread_pool, base::TimingLogger& timings)
+               ThreadPool& thread_pool, TimingLogger& timings)
       LOCKS_EXCLUDED(Locks::mutator_lock_);
   void ResolveDexFile(jobject class_loader, const DexFile& dex_file,
-                      ThreadPool& thread_pool, base::TimingLogger& timings)
+                      ThreadPool& thread_pool, TimingLogger& timings)
       LOCKS_EXCLUDED(Locks::mutator_lock_);
 
   void Verify(jobject class_loader, const std::vector<const DexFile*>& dex_files,
-              ThreadPool& thread_pool, base::TimingLogger& timings);
+              ThreadPool& thread_pool, TimingLogger& timings);
   void VerifyDexFile(jobject class_loader, const DexFile& dex_file,
-                     ThreadPool& thread_pool, base::TimingLogger& timings)
+                     ThreadPool& thread_pool, TimingLogger& timings)
       LOCKS_EXCLUDED(Locks::mutator_lock_);
 
   void InitializeClasses(jobject class_loader, const std::vector<const DexFile*>& dex_files,
-                         ThreadPool& thread_pool, base::TimingLogger& timings)
+                         ThreadPool& thread_pool, TimingLogger& timings)
       LOCKS_EXCLUDED(Locks::mutator_lock_);
   void InitializeClasses(jobject class_loader, const DexFile& dex_file,
-                         ThreadPool& thread_pool, base::TimingLogger& timings)
+                         ThreadPool& thread_pool, TimingLogger& timings)
       LOCKS_EXCLUDED(Locks::mutator_lock_, compiled_classes_lock_);
 
-  void UpdateImageClasses(base::TimingLogger& timings)
+  void UpdateImageClasses(TimingLogger& timings)
       LOCKS_EXCLUDED(Locks::mutator_lock_);
   static void FindClinitImageClassesCallback(mirror::Object* object, void* arg)
       SHARED_LOCKS_REQUIRED(Locks::mutator_lock_);
 
   void Compile(jobject class_loader, const std::vector<const DexFile*>& dex_files,
-               ThreadPool& thread_pool, base::TimingLogger& timings);
+               ThreadPool& thread_pool, TimingLogger& timings);
   void CompileDexFile(jobject class_loader, const DexFile& dex_file,
-                      ThreadPool& thread_pool, base::TimingLogger& timings)
+                      ThreadPool& thread_pool, TimingLogger& timings)
       LOCKS_EXCLUDED(Locks::mutator_lock_);
   void CompileMethod(const DexFile::CodeItem* code_item, uint32_t access_flags,
                      InvokeType invoke_type, uint16_t class_def_idx, uint32_t method_idx,
diff --git a/compiler/driver/compiler_driver_test.cc b/compiler/driver/compiler_driver_test.cc
index bfc93b3..a5eb94f 100644
--- a/compiler/driver/compiler_driver_test.cc
+++ b/compiler/driver/compiler_driver_test.cc
@@ -36,12 +36,13 @@
 class CompilerDriverTest : public CommonTest {
  protected:
   void CompileAll(jobject class_loader) LOCKS_EXCLUDED(Locks::mutator_lock_) {
-    base::TimingLogger timings("CompilerDriverTest::CompileAll", false, false);
+    TimingLogger timings("CompilerDriverTest::CompileAll", false, false);
     timings.StartSplit("CompileAll");
     compiler_driver_->CompileAll(class_loader,
                                  Runtime::Current()->GetCompileTimeClassPath(class_loader),
                                  timings);
     MakeAllExecutable(class_loader);
+    timings.EndSplit();
   }
 
   void EnsureCompiled(jobject class_loader, const char* class_name, const char* method,
diff --git a/compiler/image_test.cc b/compiler/image_test.cc
index 9d9c064..e22e702 100644
--- a/compiler/image_test.cc
+++ b/compiler/image_test.cc
@@ -46,7 +46,7 @@
     {
       jobject class_loader = NULL;
       ClassLinker* class_linker = Runtime::Current()->GetClassLinker();
-      base::TimingLogger timings("ImageTest::WriteRead", false, false);
+      TimingLogger timings("ImageTest::WriteRead", false, false);
       timings.StartSplit("CompileAll");
 #if defined(ART_USE_PORTABLE_COMPILER)
       // TODO: we disable this for portable so the test executes in a reasonable amount of time.
@@ -67,6 +67,7 @@
                                                 oat_writer,
                                                 tmp_elf.GetFile());
       ASSERT_TRUE(success);
+      timings.EndSplit();
     }
   }
   // Workound bug that mcld::Linker::emit closes tmp_elf by reopening as tmp_oat.
diff --git a/compiler/oat_test.cc b/compiler/oat_test.cc
index c423f34..714ec4e 100644
--- a/compiler/oat_test.cc
+++ b/compiler/oat_test.cc
@@ -82,7 +82,7 @@
                                             insn_features, false, NULL, 2, true));
   jobject class_loader = NULL;
   if (kCompile) {
-    base::TimingLogger timings("OatTest::WriteRead", false, false);
+    TimingLogger timings("OatTest::WriteRead", false, false);
     compiler_driver_->CompileAll(class_loader, class_linker->GetBootClassPath(), timings);
   }
 
@@ -101,7 +101,7 @@
   ASSERT_TRUE(success);
 
   if (kCompile) {  // OatWriter strips the code, regenerate to compare
-    base::TimingLogger timings("CommonTest::WriteRead", false, false);
+    TimingLogger timings("CommonTest::WriteRead", false, false);
     compiler_driver_->CompileAll(class_loader, class_linker->GetBootClassPath(), timings);
   }
   std::string error_msg;