NOT FOR REVIEW: Aura on Android

skia/ext/bitmap_platform_device_skia.cc

 // Copyright 2013 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 "skia/ext/bitmap_platform_device_skia.h"
 #include "skia/ext/platform_canvas.h"
 
 namespace skia {
 
 BitmapPlatformDevice* BitmapPlatformDevice::Create(int width, int height,
@@ skipping 13 matching lines @@
                                                    bool is_opaque,
                                                    uint8_t* data) {
   SkBitmap bitmap;
   bitmap.setInfo(SkImageInfo::MakeN32(width, height,
       is_opaque ? kOpaque_SkAlphaType : kPremul_SkAlphaType));
   if (data)
     bitmap.setPixels(data);
   else if (!bitmap.tryAllocPixels())
     return NULL;
 
+  if (!is_opaque)
+    bitmap.eraseARGB(0, 0, 0, 0);
   return new BitmapPlatformDevice(bitmap);
 }
 
 BitmapPlatformDevice::BitmapPlatformDevice(const SkBitmap& bitmap)
     : SkBitmapDevice(bitmap) {
   SetPlatformDevice(this, this);
 }
 
 BitmapPlatformDevice::~BitmapPlatformDevice() {
 }
@@ skipping 27 matching lines @@
 
 bool PlatformBitmap::Allocate(int width, int height, bool is_opaque) {
   if (!bitmap_.tryAllocN32Pixels(width, height, is_opaque))
     return false;
 
   surface_ = bitmap_.getPixels();
   return true;
 }
 
 }  // namespace skia