Collapse HTTP and non-HTTP codepaths into single methods.

webkit/media/buffered_resource_loader.h

 // 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.
 
 #ifndef WEBKIT_MEDIA_BUFFERED_RESOURCE_LOADER_H_
 #define WEBKIT_MEDIA_BUFFERED_RESOURCE_LOADER_H_
 
 #include <string>
 
 #include "base/callback.h"
@@ skipping 13 matching lines @@
 }
 
 namespace webkit_media {
 
 const int64 kPositionNotSpecified = -1;
 
 const char kHttpScheme[] = "http";
 const char kHttpsScheme[] = "https";
 const char kDataScheme[] = "data";
 
-// Wraps a WebURLLoader to maintain an in-memory buffer of downloaded
-// data according to the current defer strategy.
+// BufferedResourceLoader is single threaded and must be accessed on the
+// render thread. It wraps a WebURLLoader and does in-memory buffering,
+// pausing resource loading when the in-memory buffer is full and resuming
+// resource loading when there is available capacity.
 class BufferedResourceLoader : public WebKit::WebURLLoaderClient {
  public:
   // kNeverDefer - Aggresively buffer; never defer loading while paused.
   // kReadThenDefer - Request only enough data to fulfill read requests.
   // kCapacityDefer - Try to keep amount of buffered data at capacity.
   enum DeferStrategy {
     kNeverDefer,
     kReadThenDefer,
     kCapacityDefer,
   };
@@ skipping 282 matching lines @@
   float playback_rate_;
 
   scoped_refptr<media::MediaLog> media_log_;
 
   DISALLOW_COPY_AND_ASSIGN(BufferedResourceLoader);
 };
 
 }  // namespace webkit_media
 
 #endif  // WEBKIT_MEDIA_BUFFERED_RESOURCE_LOADER_H_