Enable audio/video tag in content_shell

content/shell/shell_main_delegate.cc

 // 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.
 
 #include "content/shell/shell_main_delegate.h"
 
 #include "base/command_line.h"
 #include "base/file_path.h"
 #include "base/path_service.h"
 #include "content/public/common/content_switches.h"
 #include "content/shell/shell_content_browser_client.h"
 #include "content/shell/shell_content_plugin_client.h"
 #include "content/shell/shell_content_renderer_client.h"
 #include "content/shell/shell_content_utility_client.h"
 #include "content/shell/shell_render_process_observer.h"
+#include "media/base/media.h"
 #include "ui/base/resource/resource_bundle.h"
 #include "ui/base/ui_base_paths.h"
 
 ShellMainDelegate::ShellMainDelegate() {
 }
 
 ShellMainDelegate::~ShellMainDelegate() {
 }
 
 bool ShellMainDelegate::BasicStartupComplete(int* exit_code) {
@@ skipping 34 matching lines @@
   return false;
 }
 
 bool ShellMainDelegate::DelaySandboxInitialization(
     const std::string& process_type) {
   return false;
 }
 
 #elif defined(OS_POSIX)
 content::ZygoteForkDelegate* ShellMainDelegate::ZygoteStarting() {
+  FilePath media_path;

[jam, 2012/02/03 00:49:44]

in general, we want embedders to have to do as least amount of work as possible.
so can you move this initialization code from chrome to content (i.e. in the
content zygote/renderer initialization code), that way all embedders get it for
free.

[vrk (LEFT CHROMIUM), 2012/03/06 02:07:50]

Done.

+  if (PathService::Get(base::DIR_MODULE, &media_path))
+    media::InitializeMediaLibrary(media_path);
   return NULL;
 }
 
 void ShellMainDelegate::ZygoteForked() {
   const CommandLine& command_line = *CommandLine::ForCurrentProcess();
   std::string process_type =
       command_line.GetSwitchValueASCII(switches::kProcessType);
   InitializeShellContentClient(process_type);
 }
 #endif  // OS_MACOSX
@@ skipping 15 matching lines @@
   }
 }
 
 void ShellMainDelegate::InitializeResourceBundle() {
   FilePath pak_dir;
   PathService::Get(base::DIR_MODULE, &pak_dir);
 
   FilePath pak_file = pak_dir.Append(FILE_PATH_LITERAL("content_shell.pak"));
   ui::ResourceBundle::InitSharedInstanceWithPakFile(pak_file);
 }