DevTools: backend part of the color picker (behind experiment).

content/browser/devtools/renderer_overrides_handler.h

Index: content/browser/devtools/renderer_overrides_handler.h
diff --git a/content/browser/devtools/renderer_overrides_handler.h b/content/browser/devtools/renderer_overrides_handler.h
index 4f5076ec46746d758aab97cb9e7a87f519240214..2630ee2444c863850b66445938d226aed9518984 100644
--- a/content/browser/devtools/renderer_overrides_handler.h
+++ b/content/browser/devtools/renderer_overrides_handler.h
@@ -14,6 +14,8 @@
 #include "cc/output/compositor_frame_metadata.h"
 #include "content/browser/devtools/devtools_protocol.h"
 #include "content/common/content_export.h"
+#include "content/public/browser/render_widget_host.h"
+#include "third_party/skia/include/core/SkBitmap.h"
 
 class SkBitmap;
 
@@ -21,9 +23,12 @@ namespace IPC {
 class Message;
 }
 
+namespace blink {
+class WebMouseEvent;
+}
+
 namespace content {
 
-class DevToolsAgentHost;
 class DevToolsTracingHandler;
 class RenderViewHostImpl;
 
@@ -33,13 +38,14 @@ class RenderViewHostImpl;
 class CONTENT_EXPORT RendererOverridesHandler
     : public DevToolsProtocol::Handler {
  public:
-  explicit RendererOverridesHandler(DevToolsAgentHost* agent);
+  RendererOverridesHandler();
   virtual ~RendererOverridesHandler();
 
   void OnClientDetached();
   void OnSwapCompositorFrame(const cc::CompositorFrameMetadata& frame_metadata);
   void OnVisibilityChanged(bool visible);
-  void OnRenderViewHostChanged();
+  void SetRenderViewHost(RenderViewHostImpl* host);
+  void ClearRenderViewHost();
   bool OnSetTouchEventEmulationEnabled();
 
  private:
@@ -79,6 +85,8 @@ class CONTENT_EXPORT RendererOverridesHandler
       scoped_refptr<DevToolsProtocol::Command> command);
   scoped_refptr<DevToolsProtocol::Response> PageQueryUsageAndQuota(
       scoped_refptr<DevToolsProtocol::Command>);
+  scoped_refptr<DevToolsProtocol::Response> PageSetColorPickerEnabled(
+      scoped_refptr<DevToolsProtocol::Command>);
 
   void ScreenshotCaptured(
       scoped_refptr<DevToolsProtocol::Command> command,
@@ -97,19 +105,26 @@ class CONTENT_EXPORT RendererOverridesHandler
      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(int x, int y);
+  void UpdateColorPickerCursorSmall(int x, int y);
 
   // Input domain.
   scoped_refptr<DevToolsProtocol::Response> InputEmulateTouchFromMouseEvent(
       scoped_refptr<DevToolsProtocol::Command> command);
 
-  RenderViewHostImpl* GetRenderViewHostImpl();
-
-  DevToolsAgentHost* agent_;
+  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_;
+  RenderWidgetHost::MouseEventCallback mouse_event_callback_;
   base::WeakPtrFactory<RendererOverridesHandler> weak_factory_;
   DISALLOW_COPY_AND_ASSIGN(RendererOverridesHandler);
 };