Implement input type=color UI

content/browser/renderer_host/render_view_host.h

Index: content/browser/renderer_host/render_view_host.h
diff --git a/content/browser/renderer_host/render_view_host.h b/content/browser/renderer_host/render_view_host.h
index 087da5bdf57818f83c4da13fbeb5c2514274a9d8..3c2f79e152ab5a2c92045750672d346cfb52968f 100644
--- a/content/browser/renderer_host/render_view_host.h
+++ b/content/browser/renderer_host/render_view_host.h
@@ -21,6 +21,7 @@
 #include "content/public/common/stop_find_action.h"
 #include "content/public/common/window_container_type.h"
 #include "net/base/load_states.h"
+#include "third_party/WebKit/Source/WebKit/chromium/public/platform/WebColor.h"
 #include "third_party/WebKit/Source/WebKit/chromium/public/WebConsoleMessage.h"
 #include "third_party/WebKit/Source/WebKit/chromium/public/WebDragOperation.h"
 #include "third_party/WebKit/Source/WebKit/chromium/public/WebPopupType.h"
@@ -338,6 +339,11 @@ class CONTENT_EXPORT RenderViewHost : public RenderWidgetHost {
       const std::vector<FilePath>& local_paths,
       const FilePath& local_directory_name);
 
+  // Notifies the RenderView that the user selected a color in the color
+  // chooser.
+  void DidChooseColorInColorChooser(WebKit::WebColor);
+  void DidEndColorChooser();
+
   // Notifies the Listener that one or more files have been chosen by the user
   // from a file chooser dialog for the form. |permissions| are flags from the
   // base::PlatformFileFlags enum which specify which file permissions should