Rename WebCore namespace to blink in Platform

Source/platform/heap/RunAllTests.cpp

Index: Source/platform/heap/RunAllTests.cpp
diff --git a/Source/platform/heap/RunAllTests.cpp b/Source/platform/heap/RunAllTests.cpp
index 3b147abf30bd6954c57e5bbc15b6f068a707fc07..ad755437022245a72e73c2d57f0532df497f449e 100644
--- a/Source/platform/heap/RunAllTests.cpp
+++ b/Source/platform/heap/RunAllTests.cpp
@@ -54,11 +54,11 @@ int main(int argc, char** argv)
     WTF::setRandomSource(AlwaysZeroNumberSource);
     WTF::initialize(CurrentTime, 0);
     WTF::initializeMainThread(0);
-    WebCore::Heap::init();
-    WebCore::ThreadState::attachMainThread();
-    WebCore::EventTracer::initialize();
+    blink::Heap::init();
+    blink::ThreadState::attachMainThread();
+    blink::EventTracer::initialize();
     int result = base::RunUnitTestsUsingBaseTestSuite(argc, argv);
-    WebCore::ThreadState::detachMainThread();
-    WebCore::Heap::shutdown();
+    blink::ThreadState::detachMainThread();
+    blink::Heap::shutdown();
     return result;
 }