refactoring mouse lock to support pepper and WebKit

webkit/plugins/ppapi/ppapi_plugin_instance.h

Index: webkit/plugins/ppapi/ppapi_plugin_instance.h
diff --git a/webkit/plugins/ppapi/ppapi_plugin_instance.h b/webkit/plugins/ppapi/ppapi_plugin_instance.h
index a2d429b405433369fa89d10c2e7c0b7761cc3bfa..fdcd0addb03939e81a90564a395c7812cb7fe4f3 100644
--- a/webkit/plugins/ppapi/ppapi_plugin_instance.h
+++ b/webkit/plugins/ppapi/ppapi_plugin_instance.h
@@ -53,6 +53,7 @@ class TransportDIB;
 
 namespace WebKit {
 class WebInputEvent;
+class WebMouseEvent;
 class WebPluginContainer;
 struct WebCompositionUnderline;
 struct WebCursorInfo;
@@ -295,8 +296,10 @@ class WEBKIT_PLUGINS_EXPORT PluginInstance :
   // or embedded in a page).
   bool IsFullPagePlugin() const;
 
-  void OnLockMouseACK(int32_t result);
-  void OnMouseLockLost();
+  // Mouse Lock Target interface:
+  virtual void OnLockMouseACK2(bool success);
+  virtual void OnMouseLockLost2();
+  virtual void HandleMouseLockedInputEvent(const WebKit::WebMouseEvent& event);
 
   // Simulates an input event to the plugin by passing it down to WebKit,
   // which sends it back up to the plugin as if it came from the user.
@@ -606,6 +609,7 @@ class WEBKIT_PLUGINS_EXPORT PluginInstance :
   gfx::Rect text_input_caret_bounds_;
   bool text_input_caret_set_;
 
+  bool mouse_locked_to_this_instance_;
   PP_CompletionCallback lock_mouse_callback_;
 
   DISALLOW_COPY_AND_ASSIGN(PluginInstance);