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

third_party/WebKit/Source/platform/transforms/AffineTransformTest.cpp

 // Copyright 2016 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/transforms/AffineTransform.h"
 
+#include "platform/wtf/text/WTFString.h"
 #include "testing/gtest/include/gtest/gtest.h"
-#include "wtf/text/WTFString.h"
 
 namespace blink {
 
 TEST(AffineTransformTest, ToString) {
   AffineTransform identity;
   EXPECT_EQ("identity", identity.toString());
   EXPECT_EQ("[1,0,0,\n0,1,0]", identity.toString(true));
 
   AffineTransform translation = AffineTransform::translation(7, 9);
   EXPECT_EQ("translation(7,9)", translation.toString());
   EXPECT_EQ("[1,0,7,\n0,1,9]", translation.toString(true));
 
   AffineTransform rotation;
   rotation.rotate(180);
   EXPECT_EQ("translation(0,0), scale(1,1), angle(180deg), remainder(1,0,0,1)",
             rotation.toString());
   EXPECT_EQ("[-1,-1.22465e-16,0,\n1.22465e-16,-1,0]", rotation.toString(true));
 
   AffineTransform columnMajorConstructor(1, 4, 2, 5, 3, 6);
   EXPECT_EQ("[1,2,3,\n4,5,6]", columnMajorConstructor.toString(true));
 }
 
 }  // namespace blink