<video> use cache if --enable-byte-range-support is present

chrome/renderer/render_process.cc

 // Copyright (c) 2006-2008 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 "build/build_config.h"
 
 #if defined(OS_WIN)
 #include <windows.h>
 #include <objidl.h>
 #include <mlang.h>
@@ skipping 67 matching lines @@
     // TODO(JAR): Need to implement renderer IO msgloop watchdog.
   }
 
   if (command_line.HasSwitch(switches::kDumpHistogramsOnExit)) {
     StatisticsRecorder::set_dump_on_exit(true);
   }
 
   if (command_line.HasSwitch(switches::kInternalNaCl))
     RegisterInternalNaClPlugin(RenderProcess::LaunchNaClProcess);
 
+  if (command_line.HasSwitch(switches::kEnableByteRangeSupport)) {
+    webkit_glue::SetMediaCacheEnabled();
+  }
+
   FilePath module_path;
   initialized_media_library_ =
       PathService::Get(base::DIR_MODULE, &module_path) &&
       media::InitializeMediaLibrary(module_path);
 }
 
 RenderProcess::~RenderProcess() {
   // TODO(port)
   // Try and limit what we pull in for our non-Win unit test bundle
 #ifndef NDEBUG
@@ skipping 159 matching lines @@
 }
 
 void RenderProcess::ClearTransportDIBCache() {
   for (size_t i = 0; i < arraysize(shared_mem_cache_); ++i) {
     if (shared_mem_cache_[i]) {
       FreeTransportDIB(shared_mem_cache_[i]);
       shared_mem_cache_[i] = NULL;
     }
   }
 }