Rewrite references to "wtf/" to "platform/wtf/" in platform/heap.

third_party/WebKit/Source/platform/heap/HeapTest.cpp

Index: third_party/WebKit/Source/platform/heap/HeapTest.cpp
diff --git a/third_party/WebKit/Source/platform/heap/HeapTest.cpp b/third_party/WebKit/Source/platform/heap/HeapTest.cpp
index c45a94ae355f4853b4c10bb70d8138e6869536bc..ef480e51c97469e2d3a8302d1c3d5a7fb0368071 100644
--- a/third_party/WebKit/Source/platform/heap/HeapTest.cpp
+++ b/third_party/WebKit/Source/platform/heap/HeapTest.cpp
@@ -28,6 +28,8 @@
  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
+#include <algorithm>
+#include <memory>
 #include "platform/CrossThreadFunctional.h"
 #include "platform/WebTaskRunner.h"
 #include "platform/heap/Handle.h"
@@ -39,14 +41,12 @@
 #include "platform/heap/ThreadState.h"
 #include "platform/heap/Visitor.h"
 #include "platform/testing/UnitTestHelpers.h"
+#include "platform/wtf/HashTraits.h"
+#include "platform/wtf/LinkedHashSet.h"
+#include "platform/wtf/PtrUtil.h"
 #include "public/platform/Platform.h"
 #include "public/platform/WebTraceLocation.h"
 #include "testing/gtest/include/gtest/gtest.h"
-#include "wtf/HashTraits.h"
-#include "wtf/LinkedHashSet.h"
-#include "wtf/PtrUtil.h"
-#include <algorithm>
-#include <memory>
 
 namespace blink {