Hack to restrict runtime API to dev channel rather than experimental.

chrome/browser/extensions/extension_service.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/extension_service.h"
 
 #include <algorithm>
 #include <set>
 
 #include "base/basictypes.h"
@@ skipping 68 matching lines @@
 #include "chrome/browser/ui/browser_list.h"
 #include "chrome/browser/ui/global_error_service.h"
 #include "chrome/browser/ui/global_error_service_factory.h"
 #include "chrome/browser/ui/webui/chrome_url_data_manager.h"
 #include "chrome/browser/ui/webui/favicon_source.h"
 #include "chrome/browser/ui/webui/ntp/thumbnail_source.h"
 #include "chrome/common/child_process_logging.h"
 #include "chrome/common/chrome_notification_types.h"
 #include "chrome/common/chrome_paths.h"
 #include "chrome/common/chrome_switches.h"
+#include "chrome/common/chrome_version_info.h"
 #include "chrome/common/extensions/extension.h"
 #include "chrome/common/extensions/extension_error_utils.h"
 #include "chrome/common/extensions/extension_file_util.h"
 #include "chrome/common/extensions/extension_manifest_constants.h"
 #include "chrome/common/extensions/extension_messages.h"
 #include "chrome/common/extensions/extension_resource.h"
 #include "chrome/common/pref_names.h"
 #include "chrome/common/url_constants.h"
 #include "content/public/browser/browser_thread.h"
 #include "content/public/browser/devtools_agent_host_registry.h"
@@ skipping 2334 matching lines @@
       break;
     }
     case content::NOTIFICATION_RENDERER_PROCESS_CREATED: {
       content::RenderProcessHost* process =
           content::Source<content::RenderProcessHost>(source).ptr();
       Profile* host_profile =
           Profile::FromBrowserContext(process->GetBrowserContext());
       if (!profile_->IsSameProfile(host_profile->GetOriginalProfile()))
           break;
 
+      // Extensions need to know the channel for API restrictions.
+      process->Send(new ExtensionMsg_SetChannel(
+          chrome::VersionInfo::GetChannel()));

[Yoyo Zhou, 2012/05/16 00:04:06]

Is there some reason we can't just call this in the constructor in
extension_dispatcher? After all, version_info is in chrome/common.

[Matt Perry, 2012/05/16 00:19:54]

Yeah, you can't call it from the renderer because it touches the filesystem:
http://code.google.com/p/chromium/issues/detail?id=126535

[Yoyo Zhou, 2012/05/16 00:23:40]

Bummer.

+
       // Valid extension function names, used to setup bindings in renderer.
       std::vector<std::string> function_names;
       ExtensionFunctionDispatcher::GetAllFunctionNames(&function_names);
       process->Send(new ExtensionMsg_SetFunctionNames(function_names));
 
       // Scripting whitelist. This is modified by tests and must be communicated
       // to renderers.
       process->Send(new ExtensionMsg_SetScriptingWhitelist(
           *Extension::GetScriptingWhitelist()));
 
@@ skipping 180 matching lines @@
   // To coexist with certain unit tests that don't have an IO thread message
   // loop available at ExtensionService shutdown, we lazy-initialize this
   // object so that those cases neither create nor destroy an
   // APIResourceController.
   CHECK(BrowserThread::CurrentlyOn(BrowserThread::IO));
   if (!api_resource_controller_) {
     api_resource_controller_ = new extensions::APIResourceController();
   }
   return api_resource_controller_;
 }