Move small c/b/extensions classes into extensions namespace no.2

chrome/browser/extensions/platform_app_launcher.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 "chrome/browser/extensions/platform_app_launcher.h"
 
 #include "base/command_line.h"
 #include "base/file_path.h"
 #include "base/file_util.h"
 #include "base/logging.h"
@@ skipping 12 matching lines @@
 #include "content/public/browser/child_process_security_policy.h"
 #include "content/public/browser/render_process_host.h"
 #include "net/base/mime_util.h"
 #include "net/base/net_util.h"
 #include "webkit/fileapi/file_system_types.h"
 #include "webkit/fileapi/isolated_context.h"
 #include "webkit/glue/web_intent_data.h"
 #include "webkit/glue/web_intent_service_data.h"
 
 using content::BrowserThread;
-using extensions::Extension;
-using extensions::ExtensionSystem;
+
+namespace extensions {
 
 namespace {
 
 const char kViewIntent[] = "http://webintents.org/view";
 
 bool MakePathAbsolute(const FilePath& current_directory,
                       FilePath* file_path) {
   DCHECK(file_path);
   if (file_path->IsAbsolute())
     return true;
@@ skipping 253 matching lines @@
   // The extension providing the app.
   const Extension* extension_;
   // The WebIntent data to be passed through to the app.
   const webkit_glue::WebIntentData data_;
 
   DISALLOW_COPY_AND_ASSIGN(PlatformAppBlobIntentLauncher);
 };
 
 }  // namespace
 
-namespace extensions {
-
 void LaunchPlatformApp(Profile* profile,
                        const Extension* extension,
                        const CommandLine* command_line,
                        const FilePath& current_directory) {
   // launcher will be freed when nothing has a reference to it. The message
   // queue will retain a reference for any outstanding task, so when the
   // launcher has finished it will be freed.
   scoped_refptr<PlatformAppCommandLineLauncher> launcher =
       new PlatformAppCommandLineLauncher(profile, extension, command_line,
                                          current_directory);
   launcher->Launch();
 }
 
 void LaunchPlatformAppWithWebIntent(
     Profile* profile,
     const Extension* extension,
     const webkit_glue::WebIntentData& web_intent_data) {
   if (web_intent_data.data_type == webkit_glue::WebIntentData::BLOB) {
     scoped_refptr<PlatformAppBlobIntentLauncher> launcher =
         new PlatformAppBlobIntentLauncher(profile, extension, web_intent_data);
     launcher->Launch();
     return;
   }
 
   extensions::AppEventRouter::DispatchOnLaunchedEventWithWebIntent(
       profile, extension, web_intent_data);
 }
 
 }  // namespace extensions