Reimplement the Pepper fullscreen API to use webkitRequestFullScreen and friends.

webkit/plugins/ppapi/ppapi_plugin_instance.h

Index: webkit/plugins/ppapi/ppapi_plugin_instance.h
diff --git a/webkit/plugins/ppapi/ppapi_plugin_instance.h b/webkit/plugins/ppapi/ppapi_plugin_instance.h
index 9949c174ae677761df29ade9115605cf182ec7fc..85c12b0f55fb37d96f4418436c19684ceecf427c 100644
--- a/webkit/plugins/ppapi/ppapi_plugin_instance.h
+++ b/webkit/plugins/ppapi/ppapi_plugin_instance.h
@@ -63,7 +63,6 @@ struct PPP_Instance_Combined;
 namespace webkit {
 namespace ppapi {
 
-class FullscreenContainer;
 class MessageChannel;
 class ObjectVar;
 class PluginDelegate;
@@ -242,10 +241,6 @@ class PluginInstance : public base::RefCounted<PluginInstance>,
   // embedded in a page).
   bool IsFullPagePlugin() const;
 
-  FullscreenContainer* fullscreen_container() const {
-    return fullscreen_container_;
-  }
-
   // FunctionGroupBase overrides.
   virtual ::ppapi::thunk::PPB_Instance_FunctionAPI* AsPPB_Instance_FunctionAPI()
       OVERRIDE;
@@ -467,10 +462,10 @@ class PluginInstance : public base::RefCounted<PluginInstance>,
   // to use a more optimized painting path in some cases.
   bool always_on_top_;
 
-  // Plugin container for fullscreen mode. NULL if not in fullscreen mode. Note:
-  // there is a transition state where fullscreen_container_ is non-NULL but
-  // fullscreen_ is false (see above).
-  FullscreenContainer* fullscreen_container_;
+  // Since entering fullscreen mode is an asynchronous operation, we set this
+  // variable to the desired state at the time we issue the fullscreen change
+  // request.

[brettw, 2011/08/24 23:14:04]

It might be nice to mention here how you tell if the plugin is actually
fullscreen now.

[jeremya, 2011/08/24 23:40:45]

Done.

+  bool desired_fullscreen_state_;
 
   // True if we are in fullscreen mode. Note: it is false during the transition.
   bool fullscreen_;