Remove RenderProcessHost::is_extension_process

chrome/renderer/extensions/extension_dispatcher.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/renderer/extensions/extension_dispatcher.h"
 
 #include "base/command_line.h"
 #include "chrome/common/child_process_logging.h"
 #include "chrome/common/chrome_switches.h"
 #include "chrome/common/extensions/extension.h"
@@ skipping 23 matching lines @@
 static const int64 kMaxExtensionIdleHandlerDelayS = 5*60 /* seconds */;
 }
 
 using WebKit::WebDataSource;
 using WebKit::WebFrame;
 using WebKit::WebSecurityPolicy;
 using WebKit::WebString;
 
 ExtensionDispatcher::ExtensionDispatcher()
     : is_webkit_initialized_(false) {
-  std::string type_str = CommandLine::ForCurrentProcess()->GetSwitchValueASCII(
-      switches::kProcessType);
-  is_extension_process_ = type_str == switches::kExtensionProcess ||
-      CommandLine::ForCurrentProcess()->HasSwitch(switches::kSingleProcess);
+  const CommandLine& command_line = *(CommandLine::ForCurrentProcess());
+  is_extension_process_ =
+      command_line.HasSwitch(switches::kExtensionProcess) ||
+      command_line.HasSwitch(switches::kSingleProcess);
 
   if (is_extension_process_) {
     RenderThread::current()->set_idle_notification_delay_in_s(
         kInitialExtensionIdleHandlerDelayS);
   }
 
   user_script_slave_.reset(new UserScriptSlave(&extensions_));
 }
 
 ExtensionDispatcher::~ExtensionDispatcher() {
@@ skipping 281 matching lines @@
   child_process_logging::SetActiveExtensions(active_extensions);
 }
 
 void ExtensionDispatcher::RegisterExtension(v8::Extension* extension,
                                             bool restrict_to_extensions) {
   if (restrict_to_extensions)
     restricted_v8_extensions_.insert(extension->name());
 
   RenderThread::current()->RegisterExtension(extension);
 }