diff --git a/compiler/driver/compiler_options.h b/compiler/driver/compiler_options.h
index 11a4e06..c67ab6e 100644
--- a/compiler/driver/compiler_options.h
+++ b/compiler/driver/compiler_options.h
@@ -22,6 +22,7 @@
 #include <vector>
 
 #include "base/macros.h"
+#include "compiler_filter.h"
 #include "globals.h"
 #include "utils.h"
 
@@ -29,20 +30,8 @@
 
 class CompilerOptions FINAL {
  public:
-  enum CompilerFilter {
-    kVerifyNone,          // Skip verification and compile nothing except JNI stubs.
-    kInterpretOnly,       // Verify, and compile only JNI stubs.
-    kVerifyAtRuntime,     // Only compile JNI stubs and verify at runtime.
-    kSpace,               // Maximize space savings.
-    kBalanced,            // Try to get the best performance return on compilation investment.
-    kSpeed,               // Maximize runtime performance.
-    kEverything,          // Force compilation of everything capable of being compiled.
-    kTime,                // Compile methods, but minimize compilation time.
-    kVerifyProfile,       // Verify only the classes in the profile.
-  };
-
   // Guide heuristics to determine whether to compile method if profile data not available.
-  static const CompilerFilter kDefaultCompilerFilter = kSpeed;
+  static const CompilerFilter::Filter kDefaultCompilerFilter = CompilerFilter::kSpeed;
   static const size_t kDefaultHugeMethodThreshold = 10000;
   static const size_t kDefaultLargeMethodThreshold = 600;
   static const size_t kDefaultSmallMethodThreshold = 60;
@@ -64,7 +53,7 @@
   CompilerOptions();
   ~CompilerOptions();
 
-  CompilerOptions(CompilerFilter compiler_filter,
+  CompilerOptions(CompilerFilter::Filter compiler_filter,
                   size_t huge_method_threshold,
                   size_t large_method_threshold,
                   size_t small_method_threshold,
@@ -88,40 +77,32 @@
                   bool dump_cfg_append,
                   bool force_determinism);
 
-  CompilerFilter GetCompilerFilter() const {
+  CompilerFilter::Filter GetCompilerFilter() const {
     return compiler_filter_;
   }
 
-  void SetCompilerFilter(CompilerFilter compiler_filter) {
+  void SetCompilerFilter(CompilerFilter::Filter compiler_filter) {
     compiler_filter_ = compiler_filter;
   }
 
   bool VerifyAtRuntime() const {
-    return compiler_filter_ == CompilerOptions::kVerifyAtRuntime;
+    return compiler_filter_ == CompilerFilter::kVerifyAtRuntime;
   }
 
   bool IsCompilationEnabled() const {
-    return compiler_filter_ != CompilerOptions::kVerifyNone &&
-           compiler_filter_ != CompilerOptions::kInterpretOnly &&
-           compiler_filter_ != CompilerOptions::kVerifyAtRuntime &&
-           compiler_filter_ != CompilerOptions::kVerifyProfile;
+    return CompilerFilter::IsCompilationEnabled(compiler_filter_);
   }
 
   bool IsVerificationEnabled() const {
-    return compiler_filter_ != CompilerOptions::kVerifyNone &&
-           compiler_filter_ != CompilerOptions::kVerifyAtRuntime;
+    return CompilerFilter::IsVerificationEnabled(compiler_filter_);
   }
 
   bool NeverVerify() const {
-    return compiler_filter_ == CompilerOptions::kVerifyNone;
-  }
-
-  bool IsExtractOnly() const {
-    return compiler_filter_ == CompilerOptions::kVerifyAtRuntime;
+    return compiler_filter_ == CompilerFilter::kVerifyNone;
   }
 
   bool VerifyOnlyProfile() const {
-    return compiler_filter_ == CompilerOptions::kVerifyProfile;
+    return compiler_filter_ == CompilerFilter::kVerifyProfile;
   }
 
   size_t GetHugeMethodThreshold() const {
@@ -271,7 +252,7 @@
   void ParseLargeMethodMax(const StringPiece& option, UsageFn Usage);
   void ParseHugeMethodMax(const StringPiece& option, UsageFn Usage);
 
-  CompilerFilter compiler_filter_;
+  CompilerFilter::Filter compiler_filter_;
   size_t huge_method_threshold_;
   size_t large_method_threshold_;
   size_t small_method_threshold_;
@@ -317,7 +298,6 @@
 
   DISALLOW_COPY_AND_ASSIGN(CompilerOptions);
 };
-std::ostream& operator<<(std::ostream& os, const CompilerOptions::CompilerFilter& rhs);
 
 }  // namespace art