Move lots of GMock stuff out of line.

chrome/common/pref_store_observer_mock.h

Index: chrome/common/pref_store_observer_mock.h
diff --git a/chrome/common/pref_store_observer_mock.h b/chrome/common/pref_store_observer_mock.h
index 2a492848e9e0d57c189d9141b89073d2c17fad58..3aadf342aed5d34311722aad3d8e432e0190f3b6 100644
--- a/chrome/common/pref_store_observer_mock.h
+++ b/chrome/common/pref_store_observer_mock.h
@@ -1,4 +1,4 @@
-// Copyright (c) 2010 The Chromium Authors. All rights reserved.
+// Copyright (c) 2011 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.
 
@@ -13,8 +13,8 @@
 // A gmock-ified implementation of PrefStore::Observer.
 class PrefStoreObserverMock : public PrefStore::Observer {
  public:
-  PrefStoreObserverMock() {}
-  virtual ~PrefStoreObserverMock() {}
+  PrefStoreObserverMock();
+  virtual ~PrefStoreObserverMock();
 
   MOCK_METHOD1(OnPrefValueChanged, void(const std::string&));
   MOCK_METHOD0(OnInitializationCompleted, void());