SkBitmap::Config is no more, use SkColorType

content/browser/frame_host/navigation_entry_screenshot_manager.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 "content/browser/frame_host/navigation_entry_screenshot_manager.h"
 
 #include "base/command_line.h"
 #include "base/threading/worker_pool.h"
 #include "content/browser/frame_host/navigation_controller_impl.h"
 #include "content/browser/frame_host/navigation_entry_impl.h"
@@ skipping 35 matching lines @@
 
   scoped_refptr<base::RefCountedBytes> data() const { return data_; }
 
  private:
   friend class base::RefCountedThreadSafe<ScreenshotData>;
   virtual ~ScreenshotData() {
   }
 
   void EncodeOnWorker(const SkBitmap& bitmap) {
     std::vector<unsigned char> data;
-    // Paint |bitmap| to a kA8_Config SkBitmap
+    // Paint |bitmap| to a kAlpha_8_SkColorType SkBitmap
     SkBitmap a8Bitmap;
     a8Bitmap.allocPixels(SkImageInfo::MakeA8(bitmap.width(), bitmap.height()));
     SkCanvas canvas(a8Bitmap);
     SkPaint paint;
     SkColorFilter* filter = SkLumaColorFilter::Create();
     paint.setColorFilter(filter);
     filter->unref();
     canvas.drawBitmap(bitmap, SkIntToScalar(0), SkIntToScalar(0), &paint);
     // Encode the a8Bitmap to grayscale PNG treating alpha as color intensity
     if (gfx::PNGCodec::EncodeA8SkBitmap(a8Bitmap, &data))
@@ skipping 216 matching lines @@
         owner_->GetEntryAtIndex(forward));
     if (ClearScreenshot(entry))
       --screenshot_count;
     ++forward;
   }
   CHECK_GE(screenshot_count, 0);
   CHECK_LE(screenshot_count, kMaxScreenshots);
 }
 
 }  // namespace content