Cleanup namespace usage in Source/web/.

Source/web/tests/WebUnitTests.cpp

 /*
  * Copyright (C) 2010 Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are
  * met:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 33 matching lines @@
 namespace {
 
 int runHelper(TestSuite* testSuite, void (*preTestHook)(void), void (*postTestHook)(void))
 {
     preTestHook();
     int result = testSuite->Run();
 
     // Collect garbage in order to release mock objects referred from v8 or
     // Oilpan heap. Otherwise false mock leaks will be reported.
     v8::Isolate::GetCurrent()->RequestGarbageCollectionForTesting(v8::Isolate::kFullGarbageCollection);
-    blink::Heap::collectAllGarbage();
+    Heap::collectAllGarbage();
 
     postTestHook();
 
     return result;
 }
 
 } // namespace
 
 int runWebTests(int argc, char** argv, void (*preTestHook)(void), void (*postTestHook)(void))
 {
     TestSuite testSuite(argc, argv);
     return base::LaunchUnitTests(argc, argv, base::Bind(&runHelper, base::Unretained(&testSuite), preTestHook, postTestHook));
 }
 
 } // namespace blink