Add basic infrastructure for sending async browser API request and receiving results.

Review URL: http://codereview.chromium.org/42262

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@12347 0039d316-1c4b-4281-b951-d872f2087c98

1 files changed, 8 insertions, 0 deletions

diff --git a/chrome/renderer/render_view.h b/chrome/renderer/render_view.h
index da75f93..83612d8 100644
--- a/chrome/renderer/render_view.h
+++ b/chrome/renderer/render_view.h
@@ -218,6 +218,7 @@ class RenderView : public RenderWidget,
   virtual void DidCompleteClientRedirect(WebView* webview,
                                          WebFrame* frame,
                                          const GURL& source);
+  virtual void WillCloseFrame(WebView* webview, WebFrame* frame);
   virtual void WillSendRequest(WebView* webview,
                                uint32 identifier,
                                WebRequest* request);
@@ -367,6 +368,10 @@ class RenderView : public RenderWidget,
   void GetAudioVolume(int stream_id);
   void SetAudioVolume(int stream_id, double left, double right);
 
+  void SendExtensionRequest(const std::string& name, const std::string& args,
+                            int callback_id, WebFrame* web_frame);
+  void OnExtensionResponse(int callback_id, const std::string& response);
+
  protected:
   // RenderWidget override.
   virtual void OnResize(const gfx::Size& new_size,
@@ -797,6 +802,9 @@ class RenderView : public RenderWidget,
   // A set of audio renderers registered to use IPC for audio output.
   IDMap<AudioRendererImpl> audio_renderers_;
 
+  // Maps pending callback IDs to their frames.
+  IDMap<WebFrame> pending_extension_callbacks_;
+
   DISALLOW_COPY_AND_ASSIGN(RenderView);
 };