Fix RenderWidgetHostViewGuest leak.

content/browser/web_contents/web_contents_view.h

Index: content/browser/web_contents/web_contents_view.h
diff --git a/content/browser/web_contents/web_contents_view.h b/content/browser/web_contents/web_contents_view.h
index 700194b5f1990e6ac00d2b39a10f074066eec8fa..acf80580a41e6f315601117f3f11fddf38ed932b 100644
--- a/content/browser/web_contents/web_contents_view.h
+++ b/content/browser/web_contents/web_contents_view.h
@@ -79,12 +79,19 @@ class WebContentsView {
   // Sets up the View that holds the rendered web page, receives messages for
   // it and contains page plugins. The host view should be sized to the current
   // size of the WebContents.
+  //
+  // |is_guest_view_hack| is temporary hack and will be removed once
+  // RenderWidgetHostViewGuest is not dependent on platform view.
+  // TODO(lazyboy): Remove |is_guest_view_hack| once http://crbug.com/330264 is
+  // fixed.
   virtual RenderWidgetHostViewBase* CreateViewForWidget(
-      RenderWidgetHost* render_widget_host) = 0;
+      RenderWidgetHost* render_widget_host, bool is_guest_view_hack) = 0;
 
   // Creates a new View that holds a popup and receives messages for it.
+  //
+  // See the comment in CreateViewForWidget for |is_guest_view_hack|.
   virtual RenderWidgetHostViewBase* CreateViewForPopupWidget(
-      RenderWidgetHost* render_widget_host) = 0;
+      RenderWidgetHost* render_widget_host, bool is_guest_view_hack) = 0;
 
   // Sets the page title for the native widgets corresponding to the view. This
   // is not strictly necessary and isn't expected to be displayed anywhere, but