Be explicit about namespace testing to not mix it with blink::testing

third_party/WebKit/Source/modules/indexeddb/MockWebIDBDatabase.h

 // Copyright 2015 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.
 
 #ifndef MockWebIDBDatabase_h
 #define MockWebIDBDatabase_h
 
 #include "modules/indexeddb/IDBKey.h"
 #include "modules/indexeddb/IDBKeyRange.h"
 #include "public/platform/modules/indexeddb/WebIDBDatabase.h"
 #include "public/platform/modules/indexeddb/WebIDBKeyRange.h"
 #include <gmock/gmock.h>
 #include <memory>
 
 namespace blink {
 
-class MockWebIDBDatabase : public testing::StrictMock<WebIDBDatabase> {
+class MockWebIDBDatabase : public ::testing::StrictMock<WebIDBDatabase> {
  public:
   virtual ~MockWebIDBDatabase();
 
   static std::unique_ptr<MockWebIDBDatabase> Create();
 
   MOCK_METHOD5(CreateObjectStore,
                void(long long transaction_id,
                     long long object_store_id,
                     const WebString& name,
                     const WebIDBKeyPath&,
@@ skipping 101 matching lines @@
                     WebIDBCallbacks*));
   MOCK_METHOD1(AckReceivedBlobs, void(const WebVector<WebString>& uuids));
 
  private:
   MockWebIDBDatabase();
 };
 
 }  // namespace blink
 
 #endif  // MockWebIDBDatabase_h