Remove unused fields from //content.

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 52156badfed64f72554de26452520da7522a4596..6cd8bebea23ccd75e06aa1812e404ae1de389b6e 100644
--- a/content/renderer/browser_plugin/browser_plugin.h
+++ b/content/renderer/browser_plugin/browser_plugin.h
@@ -174,8 +174,6 @@ class CONTENT_EXPORT BrowserPlugin :
   blink::WebPluginContainer* container_;
   // The plugin's rect in css pixels.
   gfx::Rect view_rect_;
-  // Bitmap for crashed plugin. Lazily initialized, non-owning pointer.
-  SkBitmap* sad_guest_;
   bool guest_crashed_;
   bool plugin_focused_;
   // Tracks the visibility of the browser plugin regardless of the whole
@@ -195,9 +193,6 @@ class CONTENT_EXPORT BrowserPlugin :
   // URL for the embedder frame.
   int browser_plugin_instance_id_;
 
-  // Indicates whether the guest content is opaque.
-  bool contents_opaque_;
-
   std::vector<EditCommand> edit_commands_;
 
   // We call lifetime managing methods on |delegate_|, but we do not directly