Remove RenderThread::IsRegisteredExtension

content/renderer/render_thread_impl.h

Index: content/renderer/render_thread_impl.h
diff --git a/content/renderer/render_thread_impl.h b/content/renderer/render_thread_impl.h
index 091d25698cfd9ba8dae770cfc1b2d2a261de36f7..5ffdda184c02ec26dee41f10d9817c7e46796466 100644
--- a/content/renderer/render_thread_impl.h
+++ b/content/renderer/render_thread_impl.h
@@ -119,8 +119,6 @@ class CONTENT_EXPORT RenderThreadImpl : public content::RenderThread,
   virtual base::SharedMemoryHandle HostAllocateSharedMemoryBuffer(
       uint32 buffer_size) OVERRIDE;
   virtual void RegisterExtension(v8::Extension* extension) OVERRIDE;
-  virtual bool IsRegisteredExtension(
-      const std::string& v8_extension_name) const OVERRIDE;
   virtual void ScheduleIdleHandler(int64 initial_delay_ms) OVERRIDE;
   virtual void IdleHandler() OVERRIDE;
   virtual int64 GetIdleNotificationDelayInMs() const OVERRIDE;
@@ -295,9 +293,6 @@ class CONTENT_EXPORT RenderThreadImpl : public content::RenderThread,
   // A lazily initiated thread on which file operations are run.
   scoped_ptr<base::Thread> file_thread_;
 
-  // Map of registered v8 extensions. The key is the extension name.
-  std::set<std::string> v8_extensions_;
-
   bool compositor_initialized_;
   scoped_ptr<CompositorThread> compositor_thread_;
   scoped_ptr<content::old::BrowserPluginRegistry> browser_plugin_registry_;