Do not pass DexFile to ClassLinker::Lookup/ResolveMethod().

The DexFile can be easily retrieved from the DexCache,
so reduce the number of arguments that need to be passed.

Test: m test-art-host-gtest
Test: testrunner.py --host --optimizing
Change-Id: I2e47280e7cb8b84595130c4abfb5ece18d7f5c75
diff --git a/compiler/driver/compiler_driver-inl.h b/compiler/driver/compiler_driver-inl.h
index 42fc4aa..34c8f22 100644
--- a/compiler/driver/compiler_driver-inl.h
+++ b/compiler/driver/compiler_driver-inl.h
@@ -105,7 +105,7 @@
   DCHECK_EQ(class_loader.Get(), mUnit->GetClassLoader().Get());
   ArtMethod* resolved_method =
       mUnit->GetClassLinker()->ResolveMethod<ClassLinker::ResolveMode::kCheckICCEAndIAE>(
-          *dex_cache->GetDexFile(), method_idx, dex_cache, class_loader, nullptr, invoke_type);
+          method_idx, dex_cache, class_loader, /* referrer */ nullptr, invoke_type);
   if (UNLIKELY(resolved_method == nullptr)) {
     DCHECK(soa.Self()->IsExceptionPending());
     // Clean up any exception left by type resolution.
diff --git a/compiler/driver/compiler_driver.cc b/compiler/driver/compiler_driver.cc
index fcc6b8b..8f72689 100644
--- a/compiler/driver/compiler_driver.cc
+++ b/compiler/driver/compiler_driver.cc
@@ -1690,7 +1690,10 @@
       if (resolve_fields_and_methods) {
         while (it.HasNextMethod()) {
           ArtMethod* method = class_linker->ResolveMethod<ClassLinker::ResolveMode::kNoChecks>(
-              dex_file, it.GetMemberIndex(), dex_cache, class_loader, nullptr,
+              it.GetMemberIndex(),
+              dex_cache,
+              class_loader,
+              /* referrer */ nullptr,
               it.GetMethodInvokeType(class_def));
           if (method == nullptr) {
             CheckAndClearResolveException(soa.Self());