Handle renaming of mocked methods that are not virtual.

tools/clang/rewrite_to_chrome_style/tests/gmock-original.cc

 // Copyright 2016 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "gmock/gmock.h"
 
 namespace blink {
 
+namespace simple_test {
+
 class Interface {
  public:
   virtual void myMethod(int my_param) {}
 };
 
 class MockedInterface : public Interface {
  public:
   MOCK_METHOD1(myMethod, void(int));
 };
 
 void test() {
   MockedInterface mockedInterface;
   EXPECT_CALL(mockedInterface, myMethod(1));
   EXPECT_CALL(
       mockedInterface,  // A comment to prevent reformatting into single line.
       myMethod(1));
   mockedInterface.myMethod(123);
 }
 
+}  // namespace simple_test
+
+namespace no_base_method_to_override {
+
+class MockDestructible {
+ public:
+  MOCK_METHOD0(destruct, void());
+};
+
+void Test() {
+  MockDestructible destructible;
+  EXPECT_CALL(destructible, destruct());
+}
+
+}  // namespace no_base_method_to_override
+
 }  // namespace blink