BrowserPlugin: Minimize BrowserPluginEmbedder static casts

content/browser/browser_plugin/browser_plugin_embedder.h

 // Copyright (c) 2012 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.
 
 // A BrowserPluginEmbedder handles messages coming from a BrowserPlugin's
 // embedder that are not directed at any particular existing guest process.
 // In the beginning, when a BrowserPlugin instance in the embedder renderer
 // process requests an initial navigation, the WebContents for that renderer
 // renderer creates a BrowserPluginEmbedder for itself. The
 // BrowserPluginEmbedder, in turn, forwards the requests to a
@@ skipping 34 matching lines @@
   static BrowserPluginEmbedder* Create(WebContentsImpl* web_contents);
 
   // Returns the RenderViewHost at a point (|x|, |y|) asynchronously via
   // |callback|. We need a roundtrip to renderer process to get this
   // information.
   void GetRenderViewHostAtPosition(
       int x,
       int y,
       const WebContents::GetRenderViewHostCallback& callback);
 
+  // Returns this embedder's WebContentsImpl.
+  WebContentsImpl* GetWebContents();
+
   // Called when embedder's |rwh| has sent screen rects to renderer.
   void DidSendScreenRects();
 
   // Called when embedder's WebContentsImpl has unhandled keyboard input.
   // Returns whether the BrowserPlugin has handled the keyboard event.
   // Currently we are only interested in checking for the escape key to
   // unlock hte guest's pointer lock.
   bool HandleKeyboardEvent(const NativeWebKeyboardEvent& event);
 
   // Overrides factory for testing. Default (NULL) value indicates regular
@@ skipping 75 matching lines @@
   // Pointer to the guest that started the drag, used to forward necessary drag
   // status messages to the correct guest.
   base::WeakPtr<BrowserPluginGuest> guest_started_drag_;
 
   DISALLOW_COPY_AND_ASSIGN(BrowserPluginEmbedder);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_BROWSER_BROWSER_PLUGIN_BROWSER_PLUGIN_EMBEDDER_H_