Move extensions-related files to using //components/keyed_service.

chrome/browser/extensions/test_extension_system.h

Index: chrome/browser/extensions/test_extension_system.h
diff --git a/chrome/browser/extensions/test_extension_system.h b/chrome/browser/extensions/test_extension_system.h
index 95c9a1f7a3467ea023c19fc352d44e5a1d816325..6732f680eb4f365b40b6d0d92c896e505cdd8324 100644
--- a/chrome/browser/extensions/test_extension_system.h
+++ b/chrome/browser/extensions/test_extension_system.h
@@ -32,7 +32,7 @@ class TestExtensionSystem : public ExtensionSystem {
   explicit TestExtensionSystem(Profile* profile);
   virtual ~TestExtensionSystem();
 
-  // BrowserContextKeyedService implementation.
+  // KeyedService implementation.
   virtual void Shutdown() OVERRIDE;
 
   // Creates an ExtensionPrefs with the testing profile and returns it.
@@ -84,7 +84,7 @@ class TestExtensionSystem : public ExtensionSystem {
   }
 
   // Factory method for tests to use with SetTestingProfile.
-  static BrowserContextKeyedService* Build(content::BrowserContext* profile);
+  static KeyedService* Build(content::BrowserContext* profile);
 
  protected:
   Profile* profile_;