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

third_party/WebKit/Source/platform/WebIconSizesParserTest.cpp

 // Copyright 2014 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 "public/platform/WebIconSizesParser.h"
 
 #include "platform/wtf/text/AtomicString.h"
 #include "public/platform/WebSize.h"
 #include "public/platform/WebString.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
 namespace blink {
 
-class WebIconSizesParserTest : public testing::Test {};
+class WebIconSizesParserTest : public ::testing::Test {};
 
 TEST(WebIconSizesParserTest, parseSizes) {
   WebString sizes_attribute = "32x33";
   WebVector<WebSize> sizes;
   sizes = WebIconSizesParser::ParseIconSizes(sizes_attribute);
   ASSERT_EQ(1U, sizes.size());
   EXPECT_EQ(32, sizes[0].width);
   EXPECT_EQ(33, sizes[0].height);
 
   sizes_attribute = "0x33";
@@ skipping 66 matching lines @@
   EXPECT_EQ(0, sizes[1].height);
 
   sizes_attribute = "32x33, 64x64";
   sizes = WebIconSizesParser::ParseIconSizes(sizes_attribute);
   ASSERT_EQ(1U, sizes.size());
   EXPECT_EQ(64, sizes[0].width);
   EXPECT_EQ(64, sizes[0].height);
 }
 
 }  // namespace blink