Optionally clear PlatformCanvas instances.

skia/ext/platform_canvas_linux.cc

 // Copyright (c) 2011 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/platform_canvas.h"
 
 #include "base/debug/trace_event.h"
 #include "skia/ext/bitmap_platform_device.h"
 #include "skia/ext/platform_device.h"
 #include "third_party/skia/include/core/SkTypes.h"
 
 namespace skia {
 
-PlatformCanvas::PlatformCanvas(int width, int height, bool is_opaque) {
+PlatformCanvas::PlatformCanvas(int width, int height, int flags) {
   TRACE_EVENT2("skia", "PlatformCanvas::PlatformCanvas",
                "width", width, "height", height);
-  if (!initialize(width, height, is_opaque))
+  if (!initialize(width, height, flags))
     SK_CRASH();
 }
 
-PlatformCanvas::PlatformCanvas(int width, int height, bool is_opaque,
+PlatformCanvas::PlatformCanvas(int width, int height, int flags,
                                uint8_t* data) {
   TRACE_EVENT2("skia", "PlatformCanvas::PlatformCanvas",
                "width", width, "height", height);
-  if (!initialize(width, height, is_opaque, data))
+  if (!initialize(width, height, flags, data))
     SK_CRASH();
 }
 
 PlatformCanvas::~PlatformCanvas() {
 }
 
-bool PlatformCanvas::initialize(int width, int height, bool is_opaque,
+bool PlatformCanvas::initialize(int width, int height, int flags,
                                 uint8_t* data) {
   return initializeWithDevice(BitmapPlatformDevice::Create(
-      width, height, is_opaque, data));
+      width, height, flags, data));
 }
 
 }  // namespace skia