Fix Unaccelerated2DGpuCompositing gpu test cases

third_party/WebKit/Source/platform/graphics/OffscreenCanvasFrameDispatcherImpl.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/graphics/OffscreenCanvasFrameDispatcherImpl.h"
 
 #include "cc/output/compositor_frame.h"
 #include "cc/quads/texture_draw_quad.h"
 #include "gpu/command_buffer/client/gles2_interface.h"
 #include "platform/Histogram.h"
@@ skipping 187 matching lines @@
       // WebGraphicsContext3DProvider::isSoftwareRendering.
       commitType = CommitGPUCanvasSoftwareCompositing;
       setTransferableResourceToSharedBitmap(resource, image);
     }
   } else {
     if (Platform::current()->isGPUCompositingEnabled() &&
         !isWebGLSoftwareRendering) {
       // Case 3: canvas is not gpu-accelerated, but compositor is
       commitType = CommitSoftwareCanvasGPUCompositing;
       setTransferableResourceToSharedGPUContext(resource, image);
-      yflipped = true;
     } else {
       // Case 4: both canvas and compositor are not gpu accelerated.
       commitType = CommitSoftwareCanvasSoftwareCompositing;
       setTransferableResourceToSharedBitmap(resource, image);
     }
   }
   commitTypeHistogram.count(commitType);
 
   m_nextResourceId++;
   frame.delegated_frame_data->resource_list.push_back(std::move(resource));
@@ skipping 106 matching lines @@
 }
 
 bool OffscreenCanvasFrameDispatcherImpl::verifyImageSize(
     const sk_sp<SkImage>& image) {
   if (image && image->width() == m_width && image->height() == m_height)
     return true;
   return false;
 }
 
 }  // namespace blink