Mouse lock implementation, including the renderer side and the Windows version of the browser side.

webkit/plugins/ppapi/mock_plugin_delegate.cc

Index: webkit/plugins/ppapi/mock_plugin_delegate.cc
diff --git a/webkit/plugins/ppapi/mock_plugin_delegate.cc b/webkit/plugins/ppapi/mock_plugin_delegate.cc
index c34643aa19e3f90325d9d2468de05cb3fef78535..484df86ce28c778c9658057e00e90fb040774bc2 100644
--- a/webkit/plugins/ppapi/mock_plugin_delegate.cc
+++ b/webkit/plugins/ppapi/mock_plugin_delegate.cc
@@ -284,5 +284,12 @@ base::SharedMemory* MockPluginDelegate::CreateAnonymousSharedMemory(
   return ::ppapi::Preferences();
 }
 
+void MockPluginDelegate::LockMouse(PluginInstance* instance) {
+  instance->OnLockMouseACK(PP_ERROR_FAILED);
+}
+
+void MockPluginDelegate::UnlockMouse(PluginInstance* instance) {
+}
+
 }  // namespace ppapi
 }  // namespace webkit