Merge 101221 - Reland 101111 - Only deliver extension messages to contexts that care.

chrome/renderer/extensions/extension_helper.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/extension_helper.h"
 
 #include "base/command_line.h"
 #include "base/lazy_instance.h"
 #include "base/message_loop.h"
 #include "base/utf_string_conversions.h"
 #include "chrome/common/chrome_switches.h"
 #include "chrome/common/extensions/extension_messages.h"
 #include "chrome/common/render_messages.h"
 #include "chrome/common/url_constants.h"
 #include "chrome/renderer/extensions/chrome_webstore_bindings.h"
 #include "chrome/renderer/extensions/event_bindings.h"
 #include "chrome/renderer/extensions/extension_dispatcher.h"
 #include "chrome/renderer/extensions/extension_process_bindings.h"
+#include "chrome/renderer/extensions/renderer_extension_bindings.h"
 #include "chrome/renderer/extensions/user_script_idle_scheduler.h"
 #include "chrome/renderer/extensions/user_script_slave.h"
 #include "content/common/json_value_serializer.h"
 #include "content/renderer/render_view.h"
 #include "webkit/glue/image_resource_fetcher.h"
 #include "webkit/glue/resource_fetcher.h"
 #include "third_party/WebKit/Source/WebKit/chromium/public/WebConsoleMessage.h"
 #include "third_party/WebKit/Source/WebKit/chromium/public/WebFrame.h"
 #include "third_party/WebKit/Source/WebKit/chromium/public/WebURLRequest.h"
 #include "third_party/WebKit/Source/WebKit/chromium/public/WebView.h"
@@ skipping 85 matching lines @@
     bool success,
     const std::string& error) {
   ChromeWebstoreExtension::HandleInstallResponse(install_id, success, error);
 }
 
 bool ExtensionHelper::OnMessageReceived(const IPC::Message& message) {
   bool handled = true;
   IPC_BEGIN_MESSAGE_MAP(ExtensionHelper, message)
     IPC_MESSAGE_HANDLER(ExtensionMsg_Response, OnExtensionResponse)
     IPC_MESSAGE_HANDLER(ExtensionMsg_MessageInvoke, OnExtensionMessageInvoke)
+    IPC_MESSAGE_HANDLER(ExtensionMsg_DeliverMessage, OnExtensionDeliverMessage)
     IPC_MESSAGE_HANDLER(ExtensionMsg_ExecuteCode, OnExecuteCode)
     IPC_MESSAGE_HANDLER(ExtensionMsg_GetApplicationInfo, OnGetApplicationInfo)
     IPC_MESSAGE_HANDLER(ExtensionMsg_UpdateBrowserWindowId,
                         OnUpdateBrowserWindowId)
     IPC_MESSAGE_HANDLER(ExtensionMsg_NotifyRenderViewType,
                         OnNotifyRendererViewType)
     IPC_MESSAGE_HANDLER(ExtensionMsg_InlineWebstoreInstallResponse,
                         OnInlineWebstoreInstallResponse)
     IPC_MESSAGE_UNHANDLED(handled = false)
   IPC_END_MESSAGE_MAP()
@@ skipping 63 matching lines @@
 }
 
 void ExtensionHelper::OnExtensionMessageInvoke(const std::string& extension_id,
                                                const std::string& function_name,
                                                const ListValue& args,
                                                const GURL& event_url) {
   EventBindings::CallFunction(
       extension_id, function_name, args, render_view(), event_url);
 }
 
+void ExtensionHelper::OnExtensionDeliverMessage(int target_id,
+                                                const std::string& message) {
+  RendererExtensionBindings::DeliverMessage(target_id, message, render_view());
+}
+
 void ExtensionHelper::OnExecuteCode(
     const ExtensionMsg_ExecuteCode_Params& params) {
   WebView* webview = render_view()->webview();
   WebFrame* main_frame = webview->mainFrame();
   if (!main_frame) {
     Send(new ExtensionHostMsg_ExecuteCodeFinished(
         routing_id(), params.request_id, false, ""));
     return;
   }
 
@@ skipping 126 matching lines @@
       routing_id(), *pending_app_info_));
   pending_app_info_.reset(NULL);
 }
 
 void ExtensionHelper::AddErrorToRootConsole(const string16& message) {
   if (render_view()->webview() && render_view()->webview()->mainFrame()) {
     render_view()->webview()->mainFrame()->addMessageToConsole(
         WebConsoleMessage(WebConsoleMessage::LevelError, message));
   }
 }