Silent mouse lock after unlock by target

content/browser/renderer_host/render_view_host_delegate.h

Index: content/browser/renderer_host/render_view_host_delegate.h
diff --git a/content/browser/renderer_host/render_view_host_delegate.h b/content/browser/renderer_host/render_view_host_delegate.h
index bfb664a78992ba234d175712ce91a5a98475d926..3a0eac185e721f474027dc9d5eb72a38367a37e8 100644
--- a/content/browser/renderer_host/render_view_host_delegate.h
+++ b/content/browser/renderer_host/render_view_host_delegate.h
@@ -13,6 +13,7 @@
 #include "base/process_util.h"
 #include "base/string16.h"
 #include "content/common/content_export.h"
+#include "content/common/mouse_lock.h"
 #include "ipc/ipc_channel.h"
 #include "net/base/load_states.h"
 #include "third_party/WebKit/Source/WebKit/chromium/public/WebPopupType.h"
@@ -327,7 +328,10 @@ class CONTENT_EXPORT RenderViewHostDelegate : public IPC::Channel::Listener {
   // Requests to lock the mouse. Once the request is approved or rejected,
   // GotResponseToLockMouseRequest() will be called on the requesting render
   // view host.
-  virtual void RequestToLockMouse(bool user_gesture) {}
+  virtual void RequestToLockMouse(
+      MouseLockSource lock_source,
+      MouseUnlockSource previous_unlock_source) {
+  }
 
   // Notification that the view has lost the mouse lock.
   virtual void LostMouseLock() {}