Not allow compression when requesting multimedia

webkit/glue/media/simple_data_source.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 "webkit/glue/media/simple_data_source.h"
 
 #include "base/message_loop.h"
 #include "base/process_util.h"
 #include "media/base/filter_host.h"
 #include "net/base/data_url.h"
 #include "net/base/load_flags.h"
+#include "net/http/http_request_headers.h"
 #include "net/url_request/url_request_status.h"
 #include "third_party/WebKit/Source/WebKit/chromium/public/WebKit.h"
 #include "third_party/WebKit/Source/WebKit/chromium/public/WebKitClient.h"
+#include "third_party/WebKit/Source/WebKit/chromium/public/WebString.h"
 #include "webkit/glue/media/web_data_source_factory.h"
 #include "webkit/glue/webkit_glue.h"
 
+using WebKit::WebString;
+
 namespace webkit_glue {
 
 static const char kDataScheme[] = "data";
 
 static WebDataSource* NewSimpleDataSource(MessageLoop* render_loop,
                                           WebKit::WebFrame* frame) {
   return new SimpleDataSource(render_loop, frame);
 }
 
 // static
@@ skipping 265 matching lines @@
       // Don't care about the mime-type just proceed if decoding was successful.
       size_ = data_.length();
       DoneInitialization_Locked(success);
     } else {
       // Prepare the request.
       WebKit::WebURLRequest request(url_);
       request.setTargetType(WebKit::WebURLRequest::TargetIsMedia);
 
       frame_->setReferrerForRequest(request, WebKit::WebURL());
 
+      // Disable compression, compression for audio/video doesn't make sense...
+      request.setHTTPHeaderField(
+          WebString::fromUTF8(net::HttpRequestHeaders::kAcceptEncoding),
+          WebString::fromUTF8("identity;q=1, *;q=0"));
+
       // This flag is for unittests as we don't want to reset |url_loader|
       if (!keep_test_loader_)
         url_loader_.reset(frame_->createAssociatedURLLoader());
 
       // Start the resource loading.
       url_loader_->loadAsynchronously(request, this);
     }
   }
 }
 
@@ skipping 30 matching lines @@
 void SimpleDataSource::UpdateHostState() {
   if (host()) {
     host()->SetTotalBytes(size_);
     host()->SetBufferedBytes(size_);
     // If scheme is file or data, say we are loaded.
     host()->SetLoaded(url_.SchemeIsFile() || url_.SchemeIs(kDataScheme));
   }
 }
 
 }  // namespace webkit_glue