color: Fix color not being reset between layout tests

content/renderer/render_widget.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.
 
 #ifndef CONTENT_RENDERER_RENDER_WIDGET_H_
 #define CONTENT_RENDERER_RENDER_WIDGET_H_
 
 #include <stddef.h>
 #include <stdint.h>
 
@@ skipping 820 matching lines @@
   void SendOrCrash(IPC::Message* msg);
 
   // Determines whether or not RenderWidget should process IME events from the
   // browser. It always returns true unless there is no WebFrameWidget to
   // handle the event, or there is no page focus.
   bool ShouldHandleImeEvents() const;
 
   void UpdateTextInputStateInternal(bool show_virtual_keyboard,
                                     bool reply_to_request);
 
+  gfx::ColorSpace GetRasterColorSpace() const;
+
   // Indicates whether this widget has focus.
   bool has_focus_;
 
   // A callback into the creator/opener of this widget, to be executed when
   // WebWidgetClient::show() occurs.
   ShowCallback show_callback_;
 
 #if defined(OS_MACOSX)
   // Responds to IPCs from TextInputClientMac regarding getting string at given
   // position or range as well as finding character index at a given position.
@@ skipping 34 matching lines @@
   scoped_refptr<MainThreadEventQueue> input_event_queue_;
 
   base::WeakPtrFactory<RenderWidget> weak_ptr_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(RenderWidget);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_RENDERER_RENDER_WIDGET_H_