Adding MimeHandlerView.

content/renderer/browser_plugin/browser_plugin.h

Index: content/renderer/browser_plugin/browser_plugin.h
diff --git a/content/renderer/browser_plugin/browser_plugin.h b/content/renderer/browser_plugin/browser_plugin.h
index 0948e1c8936870dc88a73ce6e7fbade71f7b2c2d..fc0a4bf87e560bb258027d69f314e23d32ef1f2e 100644
--- a/content/renderer/browser_plugin/browser_plugin.h
+++ b/content/renderer/browser_plugin/browser_plugin.h
@@ -23,6 +23,7 @@ struct FrameMsg_BuffersSwapped_Params;
 
 namespace content {
 
+class BrowserPluginDelegate;
 class ChildFrameCompositingHelper;
 class BrowserPluginManager;
 class MockBrowserPlugin;
@@ -163,9 +164,10 @@ class CONTENT_EXPORT BrowserPlugin :
   // acquires a browser_plugin_instance_id as well. The guest instance ID
   // uniquely identifies a guest WebContents that's hosted by this
   // BrowserPlugin.
+  // Takes ownership of |delegate| if there's one.

[Ken Rockot(use gerrit already), 2014/09/04 00:57:43]

Could you just make the argument a scoped_ptr so this is self-documenting and
enforceable?

[lazyboy, 2014/09/04 18:59:33]

Done.

   BrowserPlugin(RenderViewImpl* render_view,
                 blink::WebFrame* frame,
-                bool auto_navigate);
+                BrowserPluginDelegate* delegate);
 
   virtual ~BrowserPlugin();
 
@@ -234,9 +236,6 @@ class CONTENT_EXPORT BrowserPlugin :
   // embedder RenderView's visibility.
   bool visible_;
 
-  const bool auto_navigate_;
-  std::string html_string_;
-
   WebCursor cursor_;
 
   gfx::Size last_view_size_;
@@ -258,6 +257,8 @@ class CONTENT_EXPORT BrowserPlugin :
 
   std::vector<EditCommand> edit_commands_;
 
+  scoped_ptr<BrowserPluginDelegate> delegate_;
+
   // Weak factory used in v8 |MakeWeak| callback, since the v8 callback might
   // get called after BrowserPlugin has been destroyed.
   base::WeakPtrFactory<BrowserPlugin> weak_ptr_factory_;