Removed the dependency of PepperPluginRegistry on Pepper proxy.

content/common/pepper_plugin_registry.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 "content/common/pepper_plugin_registry.h"
 
 #include "base/command_line.h"
 #include "base/file_util.h"
 #include "base/native_library.h"
 #include "base/string_split.h"
 #include "base/string_util.h"
 #include "base/utf_string_conversions.h"
-#include "content/common/child_process.h"
 #include "content/common/content_client.h"
 #include "content/common/content_switches.h"
 #include "webkit/plugins/npapi/plugin_list.h"
 
 namespace {
 
 // Appends any plugins from the command line to the given vector.
 void ComputePluginsFromCommandLine(std::vector<PepperPluginInfo>* plugins) {
   bool out_of_process =
       CommandLine::ForCurrentProcess()->HasSwitch(switches::kPpapiOutOfProcess);
@@ skipping 208 matching lines @@
       // Preload all external plugins we're not running out of process.
       if (!module->InitAsLibrary(current.path)) {
         DLOG(ERROR) << "Failed to load pepper module: " << current.path.value();
         continue;
       }
     }
     preloaded_modules_[current.path] = module;
   }
 }
 
-base::MessageLoopProxy* PepperPluginRegistry::GetIPCMessageLoop() {
-  // This is called only in the renderer so we know we have a child process.
-  DCHECK(ChildProcess::current()) << "Must be in the renderer.";
-  return ChildProcess::current()->io_message_loop_proxy();
-}
-
-base::WaitableEvent* PepperPluginRegistry::GetShutdownEvent() {
-  DCHECK(ChildProcess::current()) << "Must be in the renderer.";
-  return ChildProcess::current()->GetShutDownEvent();
-}