Rewrite references to "wtf/" to "platform/wtf/" in the rest of core/.

third_party/WebKit/Source/core/testing/DummyPageHolder.cpp

Index: third_party/WebKit/Source/core/testing/DummyPageHolder.cpp
diff --git a/third_party/WebKit/Source/core/testing/DummyPageHolder.cpp b/third_party/WebKit/Source/core/testing/DummyPageHolder.cpp
index 7336cd84fc6445a55b9483d895eacef72925fc42..e2a7f06a989eb359debd80be9c12b184c56cc753 100644
--- a/third_party/WebKit/Source/core/testing/DummyPageHolder.cpp
+++ b/third_party/WebKit/Source/core/testing/DummyPageHolder.cpp
@@ -30,15 +30,15 @@
 
 #include "core/testing/DummyPageHolder.h"
 
+#include <memory>
 #include "core/frame/FrameView.h"
 #include "core/frame/LocalDOMWindow.h"
 #include "core/frame/LocalFrame.h"
 #include "core/frame/Settings.h"
 #include "core/frame/VisualViewport.h"
 #include "core/loader/EmptyClients.h"
-#include "wtf/Assertions.h"
-#include "wtf/PtrUtil.h"
-#include <memory>
+#include "platform/wtf/Assertions.h"
+#include "platform/wtf/PtrUtil.h"
 
 namespace blink {