Remove ChromeV8Extension & most of ChromeV8Context

chrome/renderer/extensions/chrome_v8_extension_handler.h

Index: chrome/renderer/extensions/chrome_v8_extension_handler.h
diff --git a/chrome/renderer/extensions/chrome_v8_extension_handler.h b/chrome/renderer/extensions/chrome_v8_extension_handler.h
index 71f86b2e1bdcaa44872c5fbc0f94891494b1f6f4..fab359ff32cc3d88dfcb4ad13955477b6a594040 100644
--- a/chrome/renderer/extensions/chrome_v8_extension_handler.h
+++ b/chrome/renderer/extensions/chrome_v8_extension_handler.h
@@ -12,7 +12,7 @@
 #include "v8/include/v8.h"
 
 namespace extensions {
-class ChromeV8Context;
+class ScriptContext;
 
 // Base class for context-scoped handlers used with ChromeV8Extension.
 // TODO(koz): Rename/refactor this somehow. Maybe just pull it into
@@ -25,10 +25,10 @@ class ChromeV8ExtensionHandler : public IPC::Listener {
   virtual bool OnMessageReceived(const IPC::Message& message) = 0;
 
  protected:
-  explicit ChromeV8ExtensionHandler(ChromeV8Context* context);
+  explicit ChromeV8ExtensionHandler(ScriptContext* context);
   int GetRoutingID();
   void Send(IPC::Message* message);
-  ChromeV8Context* context_;
+  ScriptContext* context_;
 
  private:
   int routing_id_;