Large wallpaper decoding in utility process

chrome/browser/image_decoder.cc

 // Copyright (c) 2012 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 "chrome/browser/image_decoder.h"
 
 #include "base/bind.h"
 #include "chrome/browser/browser_process.h"
 #include "chrome/common/chrome_utility_messages.h"
 #include "content/public/browser/browser_thread.h"
 #include "content/public/browser/utility_process_host.h"
 
 using content::BrowserThread;
 using content::UtilityProcessHost;
 
 ImageDecoder::ImageDecoder(Delegate* delegate,
                            const std::string& image_data,
                            ImageCodec image_codec)
     : delegate_(delegate),
       image_data_(image_data.begin(), image_data.end()),
       image_codec_(image_codec),
-      task_runner_(NULL) {
+      task_runner_(NULL),
+      shrink_to_fit_(false) {

[Nico, 2014/08/27 22:32:15]

Is this ever set?

[Nico, 2014/08/27 22:34:29]

nvm, there's a setter in the header. Sorry for the silly question.

 }
 
 ImageDecoder::~ImageDecoder() {}
 
 void ImageDecoder::Start(scoped_refptr<base::SequencedTaskRunner> task_runner) {
   task_runner_ = task_runner;
   BrowserThread::PostTask(
      BrowserThread::IO, FROM_HERE,
      base::Bind(&ImageDecoder::DecodeImageInSandbox, this, image_data_));
 }
@@ skipping 24 matching lines @@
 
 void ImageDecoder::DecodeImageInSandbox(
     const std::vector<unsigned char>& image_data) {
   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::IO));
   UtilityProcessHost* utility_process_host;
   utility_process_host = UtilityProcessHost::Create(this, task_runner_.get());
   if (image_codec_ == ROBUST_JPEG_CODEC) {
     utility_process_host->Send(
         new ChromeUtilityMsg_RobustJPEGDecodeImage(image_data));
   } else {
-    utility_process_host->Send(new ChromeUtilityMsg_DecodeImage(image_data));
+    utility_process_host->Send(
+        new ChromeUtilityMsg_DecodeImage(image_data, shrink_to_fit_));
   }
 }