ResourceFetcher: Add POST support and the ability to set headers

content/renderer/fetchers/image_resource_fetcher.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 "content/renderer/fetchers/image_resource_fetcher.h"
 
 #include "base/bind.h"
 #include "base/bind_helpers.h"
 #include "base/debug/crash_logging.h"
 #include "content/child/image_decoder.h"
@@ skipping 13 matching lines @@
     const GURL& image_url,
     WebFrame* frame,
     int id,
     int image_size,
     WebURLRequest::TargetType target_type,
     const Callback& callback)
     : callback_(callback),
       id_(id),
       image_url_(image_url),
       image_size_(image_size) {
-  fetcher_.reset(ResourceFetcher::Create(
-      image_url, frame, target_type,
-      base::Bind(&ImageResourceFetcher::OnURLFetchComplete,
-                 base::Unretained(this))));
+  fetcher_.reset(ResourceFetcher::Create(image_url));
+  fetcher_->Start(frame, target_type,
+                  base::Bind(&ImageResourceFetcher::OnURLFetchComplete,
+                      base::Unretained(this)));
 
   // Set subresource URL for crash reporting.
   base::debug::SetCrashKeyValue("subresource_url", image_url.spec());
 }
 
 ImageResourceFetcher::~ImageResourceFetcher() {
 }
 
 void ImageResourceFetcher::OnURLFetchComplete(
     const WebURLResponse& response,
     const std::string& data) {
   SkBitmap bitmap;
   if (!response.isNull() && response.httpStatusCode() == 200) {
     // Request succeeded, try to convert it to an image.
     ImageDecoder decoder(gfx::Size(image_size_, image_size_));
     bitmap = decoder.Decode(
         reinterpret_cast<const unsigned char*>(data.data()), data.size());
   } // else case:
     // If we get here, it means no image from server or couldn't decode the
     // response as an image. The delegate will see a null image, indicating
     // that an error occurred.
 
   // Take a reference to the callback as running the callback may lead to our
   // destruction.
   Callback callback = callback_;
   callback.Run(this, bitmap);
 }
 
 }  // namespace content