Get rid of the following dependencies from content:

chrome/app/chrome_main.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 "chrome/app/chrome_main.h"
 
 #include "app/app_paths.h"
 #include "base/at_exit.h"
 #include "base/command_line.h"
 #include "base/debug/debugger.h"
@@ skipping 26 matching lines @@
 #include "chrome/renderer/chrome_content_renderer_client.h"
 #include "chrome/utility/chrome_content_utility_client.h"
 #include "content/browser/renderer_host/render_process_host.h"
 #include "content/common/content_client.h"
 #include "content/common/content_counters.h"
 #include "content/common/content_paths.h"
 #include "content/common/main_function_params.h"
 #include "content/common/sandbox_init_wrapper.h"
 #include "content/common/set_process_title.h"
 #include "ipc/ipc_switches.h"
+#include "media/base/media.h"
 #include "ui/base/resource/resource_bundle.h"
 #include "ui/base/ui_base_paths.h"
 #include "ui/base/ui_base_switches.h"
 
 #if defined(OS_WIN)
 #include <algorithm>
 #include <malloc.h>
 #include "base/string_util.h"
 #include "base/win/registry.h"
 #include "sandbox/src/sandbox.h"
@@ skipping 366 matching lines @@
   static const MainFunction kMainFunctions[] = {
     { switches::kRendererProcess,    RendererMain },
     { switches::kExtensionProcess,   RendererMain },
     { switches::kWorkerProcess,      WorkerMain },
     { switches::kPpapiPluginProcess, PpapiPluginMain },
 #if !defined(DISABLE_NACL)
     { switches::kNaClLoaderProcess,  NaClMain },
 #endif
   };
 
+  // Each Renderer we spawn will re-attempt initialization of the media
+  // libraries, at which point failure will be detected and handled, so
+  // we do not need to cope with initialization failures here.
+  FilePath media_path;
+  if (PathService::Get(chrome::DIR_MEDIA_LIBS, &media_path))
+    media::InitializeMediaLibrary(media_path);
+
   // This function call can return multiple times, once per fork().
   if (!ZygoteMain(main_function_params))
     return 1;
 
   // Zygote::HandleForkRequest may have reallocated the command
   // line so update it here with the new version.
   const CommandLine& command_line = *CommandLine::ForCurrentProcess();
 
   // The StatsTable must be initialized in each process; we already
   // initialized for the browser process, now we need to initialize
@@ skipping 390 matching lines @@
 
   if (SubprocessNeedsResourceBundle(process_type))
     ResourceBundle::CleanupSharedInstance();
 
   logging::CleanupChromeLogging();
 
   chrome_main::LowLevelShutdown();
 
   return exit_code;
 }