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..010814ada8c6225cb9c5b80dcdec73e67146f084 100644
--- a/webkit/plugins/ppapi/mock_plugin_delegate.cc
+++ b/webkit/plugins/ppapi/mock_plugin_delegate.cc
@@ -7,6 +7,7 @@
 #include "base/message_loop_proxy.h"
 #include "ppapi/c/pp_errors.h"
 #include "ppapi/shared_impl/ppapi_preferences.h"
+#include "webkit/plugins/ppapi/ppapi_plugin_instance.h"
 
 namespace webkit {
 namespace ppapi {
@@ -284,5 +285,12 @@ 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