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

third_party/WebKit/Source/platform/fonts/ScriptRunIteratorTest.cpp

 // 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.
 
 #include "platform/fonts/ScriptRunIterator.h"
 
 #include <string>
 #include "platform/wtf/Assertions.h"
 #include "platform/wtf/Threading.h"
 #include "platform/wtf/text/WTFString.h"
@@ skipping 266 matching lines @@
     kGreek2 + kLatin,
     kGreek2 + kHan,
     kLatin3 + kHan2 + kGreek,
     kLatin3 + kGreek2 + kHan,
     kHan3 + kLatin2 + kGreek,
     kHan3 + kGreek2 + kLatin,
     kGreek3 + kLatin2 + kHan,
     kGreek3 + kHan2 + kLatin,
 };
 
-class ScriptRunIteratorTest : public testing::Test {
+class ScriptRunIteratorTest : public ::testing::Test {
  protected:
   void CheckRuns(const Vector<TestRun>& runs) {
     String text(g_empty_string16_bit);
     Vector<ExpectedRun> expect;
     for (auto& run : runs) {
       text.append(String::FromUTF8(run.text.c_str()));
       expect.push_back(ExpectedRun(text.length(), run.code));
     }
     ScriptRunIterator script_run_iterator(text.Characters16(), text.length());
     VerifyRuns(&script_run_iterator, expect);
@@ skipping 309 matching lines @@
 }
 
 TEST_F(ScriptRunIteratorTest, OddLatinString) {
   CHECK_RUNS({{"ç̈", USCRIPT_LATIN}});
 }
 
 TEST_F(ScriptRunIteratorTest, CommonMalayalam) {
   CHECK_RUNS({{"100-ാം", USCRIPT_MALAYALAM}});
 }
 
-class ScriptRunIteratorICUDataTest : public testing::Test {
+class ScriptRunIteratorICUDataTest : public ::testing::Test {
  public:
   ScriptRunIteratorICUDataTest()
       : max_extensions_(0), max_extensions_codepoint_(0xffff) {
     int max_extensions = 0;
     UChar32 max_extensionscp = 0;
     for (UChar32 cp = 0; cp < 0x11000; ++cp) {
       UErrorCode status = U_ZERO_ERROR;
       int count = uscript_getScriptExtensions(cp, 0, 0, &status);
       if (count > max_extensions) {
         max_extensions = count;
@@ skipping 50 matching lines @@
     }
   }
 }
 
 // ZWJ is \u200D Cf (Format, other) and its script is inherited.  I'm going to
 // ignore this for now, as I think it shouldn't matter which run it ends up
 // in. HarfBuzz needs to be able to use it as context and shape each
 // neighboring character appropriately no matter what run it got assigned to.
 
 }  // namespace blink