Oilpan: keep ImageData on the heap by default.

Source/core/html/canvas/CanvasRenderingContext2DAPITest.cpp

 // Copyright 2014 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 "config.h"
 
 #include "core/html/canvas/CanvasRenderingContext2D.h"
 
 #include "core/frame/FrameView.h"
 #include "core/html/HTMLDocument.h"
@@ skipping 166 matching lines @@
     EXPECT_EQ(String("rgba(0, 0, 0, 0)"), context2d()->shadowColor());
 }
 
 TEST_F(CanvasRenderingContext2DAPITest, CreateImageData)
 {
     createContext(NonOpaque);
 
     NonThrowableExceptionState exceptionState;
 
     // create a 100x50 imagedata and fill it with white pixels
-    RefPtrWillBeRawPtr<ImageData> imageData = context2d()->createImageData(100, 50, exceptionState);
+    ImageData* imageData = context2d()->createImageData(100, 50, exceptionState);
     EXPECT_FALSE(exceptionState.hadException());
     EXPECT_EQ(100, imageData->width());
     EXPECT_EQ(50, imageData->height());
 
     for (unsigned i = 0; i < imageData->data()->length(); ++i)
         imageData->data()->data()[i] = 255;
 
     EXPECT_EQ(255, imageData->data()->data()[32]);
 
     // createImageData(imageData) should create a new ImageData of the same size as 'imageData'
     // but filled with transparent black
 
-    RefPtrWillBeRawPtr<ImageData> sameSizeImageData = context2d()->createImageData(imageData);
+    ImageData* sameSizeImageData = context2d()->createImageData(imageData);
     EXPECT_EQ(100, sameSizeImageData->width());
     EXPECT_EQ(50, sameSizeImageData->height());
     EXPECT_EQ(0, sameSizeImageData->data()->data()[32]);
 
     // createImageData(width, height) takes the absolute magnitude of the size arguments
 
-    RefPtrWillBeRawPtr<ImageData> imgdata1 = context2d()->createImageData(10, 20, exceptionState);
+    ImageData* imgdata1 = context2d()->createImageData(10, 20, exceptionState);
     EXPECT_FALSE(exceptionState.hadException());
-    RefPtrWillBeRawPtr<ImageData> imgdata2 = context2d()->createImageData(-10, 20, exceptionState);
+    ImageData* imgdata2 = context2d()->createImageData(-10, 20, exceptionState);
     EXPECT_FALSE(exceptionState.hadException());
-    RefPtrWillBeRawPtr<ImageData> imgdata3 = context2d()->createImageData(10, -20, exceptionState);
+    ImageData* imgdata3 = context2d()->createImageData(10, -20, exceptionState);
     EXPECT_FALSE(exceptionState.hadException());
-    RefPtrWillBeRawPtr<ImageData> imgdata4 = context2d()->createImageData(-10, -20, exceptionState);
+    ImageData* imgdata4 = context2d()->createImageData(-10, -20, exceptionState);
     EXPECT_FALSE(exceptionState.hadException());
 
     EXPECT_EQ((unsigned)800, imgdata1->data()->length());
     EXPECT_EQ((unsigned)800, imgdata2->data()->length());
     EXPECT_EQ((unsigned)800, imgdata3->data()->length());
     EXPECT_EQ((unsigned)800, imgdata4->data()->length());
 }
 
 } // unnamed namespace