refactoring mouse lock to support pepper and WebKit

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 da371c546cd1257ae420b5fc8084c7e0cc34ef46..780bf4cb97c0b860c6c0b13636c64a043dbbc378 100644
--- a/webkit/plugins/ppapi/mock_plugin_delegate.cc
+++ b/webkit/plugins/ppapi/mock_plugin_delegate.cc
@@ -348,13 +348,17 @@ base::SharedMemory* MockPluginDelegate::CreateAnonymousSharedMemory(
   return ::ppapi::Preferences();
 }
 
-void MockPluginDelegate::LockMouse(PluginInstance* instance) {
-  instance->OnLockMouseACK(PP_ERROR_FAILED);
+bool MockPluginDelegate::LockMouse(PluginInstance* instance) {
+  return false;
 }
 
 void MockPluginDelegate::UnlockMouse(PluginInstance* instance) {
 }
 
+bool MockPluginDelegate::IsMouseLocked(PluginInstance* instance) {
+  return false;
+}
+
 void MockPluginDelegate::DidChangeCursor(PluginInstance* instance,
                                          const WebKit::WebCursorInfo& cursor) {
 }