Move extension messages to their own file and add a RenderViewObserver to start moving the extens...

chrome/renderer/extensions/event_bindings.cc

 // Copyright (c) 2011 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "chrome/renderer/extensions/event_bindings.h"
 
 #include "base/basictypes.h"
 #include "base/lazy_instance.h"
+#include "chrome/common/extensions/extension_messages.h"
 #include "chrome/common/extensions/extension_set.h"
-#include "chrome/common/render_messages.h"
 #include "chrome/common/url_constants.h"
 #include "chrome/renderer/extensions/bindings_utils.h"
 #include "chrome/renderer/extensions/event_bindings.h"
 #include "chrome/renderer/extensions/extension_process_bindings.h"
 #include "chrome/renderer/extensions/js_only_v8_extensions.h"
 #include "chrome/renderer/render_thread.h"
 #include "content/renderer/render_view.h"
 #include "googleurl/src/gurl.h"
 #include "grit/renderer_resources.h"
 #include "third_party/WebKit/Source/WebKit/chromium/public/WebDataSource.h"
@@ skipping 80 matching lines @@
       bool has_permission =
           ExtensionProcessBindings::CurrentContextHasPermission(event_name);
 
       if (!has_permission) {
         return ExtensionProcessBindings::ThrowPermissionDeniedException(
             event_name);
       }
 
       if (++listener_counts[event_name] == 1) {
         EventBindings::GetRenderThread()->Send(
-            new ViewHostMsg_ExtensionAddListener(context_info->extension_id,
-                                                 event_name));
+            new ExtensionHostMsg_AddListener(context_info->extension_id,
+                                             event_name));
       }
 
       if (++context_info->num_connected_events == 1)
         context_info->context.ClearWeak();
 
     }
 
     return v8::Undefined();
   }
 
   static v8::Handle<v8::Value> DetachEvent(const v8::Arguments& args) {
     DCHECK(args.Length() == 1);
     // TODO(erikkay) should enforce that event name is a string in the bindings
     DCHECK(args[0]->IsString() || args[0]->IsUndefined());
 
     if (args[0]->IsString()) {
       ContextInfo* context_info = GetInfoForCurrentContext();
       if (!context_info)
         return v8::Undefined();
 
       EventListenerCounts& listener_counts =
           GetListenerCounts(context_info->extension_id);
       std::string event_name(*v8::String::AsciiValue(args[0]));
       if (--listener_counts[event_name] == 0) {
         EventBindings::GetRenderThread()->Send(
-            new ViewHostMsg_ExtensionRemoveListener(context_info->extension_id,
-                                                    event_name));
+            new ExtensionHostMsg_RemoveListener(context_info->extension_id,
+                                                event_name));
       }
 
       if (--context_info->num_connected_events == 0) {
         context_info->context.MakeWeak(NULL, &ContextWeakReferenceCallback);
       }
     }
 
     return v8::Undefined();
   }
 };
@@ skipping 222 matching lines @@
     // TODO(rafaelw): Consider only doing this check if function_name ==
     // "Event.dispatchJSON".
 #ifndef NDEBUG
     if (!retval.IsEmpty() && !retval->IsUndefined()) {
       std::string error = *v8::String::AsciiValue(retval);
       DCHECK(false) << error;
     }
 #endif
   }
 }