Silent mouse lock after unlock by target

content/browser/renderer_host/render_widget_host_impl.h

Index: content/browser/renderer_host/render_widget_host_impl.h
diff --git a/content/browser/renderer_host/render_widget_host_impl.h b/content/browser/renderer_host/render_widget_host_impl.h
index 790de8f1aeca5757cbc5acde6eb71ff02ab15ae9..f08bafb23ac910bdeec34fc56a74e0ae118e36cc 100644
--- a/content/browser/renderer_host/render_widget_host_impl.h
+++ b/content/browser/renderer_host/render_widget_host_impl.h
@@ -19,6 +19,7 @@
 #include "base/string16.h"
 #include "base/timer.h"
 #include "build/build_config.h"
+#include "content/common/mouse_lock.h"
 #include "content/common/view_message_enums.h"
 #include "content/public/browser/render_widget_host.h"
 #include "content/public/common/page_zoom.h"
@@ -407,7 +408,8 @@ class CONTENT_EXPORT RenderWidgetHostImpl : virtual public RenderWidgetHost,
   // to allow mouse lock.
   // Once the request is approved or rejected, GotResponseToLockMouseRequest()
   // will be called.
-  virtual void RequestToLockMouse(bool user_gesture);
+  virtual void RequestToLockMouse(MouseLockSource lock_source,
+                                  MouseUnlockSource previous_unlock_source);
 
   void RejectMouseLockOrUnlockIfNecessary();
   bool IsMouseLocked() const;
@@ -483,7 +485,8 @@ class CONTENT_EXPORT RenderWidgetHostImpl : virtual public RenderWidgetHost,
 
   void OnMsgDidActivateAcceleratedCompositing(bool activated);
 
-  void OnMsgLockMouse(bool user_gesture);
+  void OnMsgLockMouse(MouseLockSource lock_source,
+                      MouseUnlockSource previous_unlock_source);
   void OnMsgUnlockMouse();
 
 #if defined(OS_POSIX) || defined(USE_AURA)