DevTools: make eye dropper live (refresh on frame update).

content/browser/devtools/renderer_overrides_handler.h

 // Copyright (c) 2013 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_BROWSER_DEVTOOLS_RENDERER_OVERRIDES_HANDLER_H_
 #define CONTENT_BROWSER_DEVTOOLS_RENDERER_OVERRIDES_HANDLER_H_
 
 #include "base/basictypes.h"
 #include "base/compiler_specific.h"
 #include "base/memory/ref_counted_memory.h"
@@ skipping 91 matching lines @@
 
   void PageQueryUsageAndQuotaCompleted(
      scoped_refptr<DevToolsProtocol::Command>,
      scoped_ptr<base::DictionaryValue> response_data);
 
   void NotifyScreencastVisibility(bool visible);
   void SetColorPickerEnabled(bool enabled);
   void UpdateColorPickerFrame();
   void ColorPickerFrameUpdated(bool succeeded, const SkBitmap& bitmap);
   bool HandleMouseEvent(const blink::WebMouseEvent& event);
+  void UpdateColorPickerCursor();
 
   // Input domain.
   scoped_refptr<DevToolsProtocol::Response> InputEmulateTouchFromMouseEvent(
       scoped_refptr<DevToolsProtocol::Command> command);
 
   RenderViewHostImpl* host_;
   scoped_refptr<DevToolsProtocol::Command> screencast_command_;
   bool has_last_compositor_frame_metadata_;
   cc::CompositorFrameMetadata last_compositor_frame_metadata_;
   base::TimeTicks last_frame_time_;
   int capture_retry_count_;
   bool color_picker_enabled_;
   SkBitmap color_picker_frame_;
+  int last_cursor_x_;
+  int last_cursor_y_;
   RenderWidgetHost::MouseEventCallback mouse_event_callback_;
   base::WeakPtrFactory<RendererOverridesHandler> weak_factory_;
   DISALLOW_COPY_AND_ASSIGN(RendererOverridesHandler);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_BROWSER_DEVTOOLS_RENDERER_OVERRIDES_HANDLER_H_