Remove duplication of encoded image data

third_party/WebKit/Source/platform/graphics/BitmapImageTest.cpp

 /*
  * Copyright (c) 2013, Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are
  * met:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 122 matching lines @@
     PassRefPtr<Image> imageForDefaultFrame()
     {
         return m_image->imageForDefaultFrame();
     }
 
     int lastDecodedSizeChange()
     {
         return m_imageObserver->m_lastDecodedSizeChangedDelta;
     }
 
+    PassRefPtr<SharedBuffer> data() { return m_image->data(); }
+    SharedBuffer* cachedData() { return m_image->cachedData(); }
+
 protected:
     void SetUp() override
     {
         m_imageObserver = new FakeImageObserver;
         m_image = BitmapImage::create(m_imageObserver.get());
     }
 
     Persistent<FakeImageObserver> m_imageObserver;
     RefPtr<BitmapImage> m_image;
 };
@@ skipping 56 matching lines @@
 }
 
 TEST_F(BitmapImageTest, noColorProfile)
 {
     loadImage("/LayoutTests/fast/images/resources/green.jpg");
     EXPECT_EQ(1u, decodedFramesCount());
     EXPECT_EQ(1024u, decodedSize());
     EXPECT_FALSE(m_image->hasColorProfile());
 }
 
+TEST_F(BitmapImageTest, noCachedData)
+{
+    loadImage("/LayoutTests/fast/images/resources/green.jpg");
+    EXPECT_TRUE(m_image->isAllDataReceived());
+    // m_image doesn't have its encoded image data. Instead, its
+    // DeferredImageDecoder has it and data() returns this.
+    EXPECT_FALSE(cachedData());
+    EXPECT_TRUE(data());
+}
+
 #if USE(QCMSLIB)
 
 TEST_F(BitmapImageTest, jpegHasColorProfile)
 {
     loadImage("/LayoutTests/fast/images/resources/icc-v2-gbr.jpg");
     EXPECT_EQ(1u, decodedFramesCount());
     EXPECT_EQ(227700u, decodedSize());
     EXPECT_TRUE(m_image->hasColorProfile());
 }
 
@@ skipping 100 matching lines @@
     {"/LayoutTests/fast/images/resources/exif-orientation-5-lu.jpg", OriginLeftTop},
     {"/LayoutTests/fast/images/resources/exif-orientation-6-ru.jpg", OriginRightTop},
     {"/LayoutTests/fast/images/resources/exif-orientation-7-rl.jpg", OriginRightBottom},
     {"/LayoutTests/fast/images/resources/exif-orientation-8-llo.jpg", OriginLeftBottom}
 };
 
 INSTANTIATE_TEST_CASE_P(DecodedImageOrientationHistogramTest, DecodedImageOrientationHistogramTest,
     ::testing::ValuesIn(kDecodedImageOrientationHistogramTestParams));
 
 } // namespace blink