Revert "Chromium changes to statically link ffmpeg."

chrome/utility/extensions/extensions_handler.cc

 // Copyright 2014 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/utility/extensions/extensions_handler.h"
 
 #include "base/command_line.h"
 #include "base/path_service.h"
 #include "chrome/common/chrome_utility_messages.h"
 #include "chrome/common/extensions/chrome_extensions_client.h"
@@ skipping 47 matching lines @@
 }
 
 ExtensionsHandler::~ExtensionsHandler() {
 }
 
 // static
 void ExtensionsHandler::PreSandboxStartup() {
   // Initialize libexif for image metadata parsing.
   metadata::ImageMetadataExtractor::InitializeLibrary();
 
-  // Initialize media libraries for media file validation.
-  media::InitializeMediaLibrary();
+  // Load media libraries for media file validation.
+  base::FilePath media_path;
+  PathService::Get(content::DIR_MEDIA_LIBS, &media_path);
+  if (!media_path.empty())
+    media::InitializeMediaLibrary(media_path);
 }
 
 bool ExtensionsHandler::OnMessageReceived(const IPC::Message& message) {
   bool handled = true;
   IPC_BEGIN_MESSAGE_MAP(ExtensionsHandler, message)
     IPC_MESSAGE_HANDLER(ChromeUtilityMsg_CheckMediaFile, OnCheckMediaFile)
 #if defined(OS_WIN)
     IPC_MESSAGE_HANDLER(ChromeUtilityMsg_ParseITunesPrefXml,
                         OnParseITunesPrefXml)
 #endif  // defined(OS_WIN)
@@ skipping 108 matching lines @@
 
   std::string key_data;
   std::string error;
   wifi_service->GetKeyFromSystem(network_guid, &key_data, &error);
 
   Send(new ChromeUtilityHostMsg_GotWiFiCredentials(key_data, error.empty()));
 }
 #endif  // defined(OS_WIN)
 
 }  // namespace extensions