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

chrome/renderer/extensions/extension_dispatcher.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/renderer/extensions/extension_dispatcher.h"
 
 #include "base/callback.h"
 #include "base/command_line.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/string_piece.h"
 #include "chrome/common/child_process_logging.h"
 #include "chrome/common/chrome_switches.h"
+#include "chrome/common/chrome_version_info.h"
 #include "chrome/common/chrome_view_type.h"
 #include "chrome/common/extensions/api/extension_api.h"
 #include "chrome/common/extensions/extension.h"
 #include "chrome/common/extensions/extension_messages.h"
 #include "chrome/common/extensions/extension_permission_set.h"
 #include "chrome/common/url_constants.h"
 #include "chrome/renderer/chrome_render_process_observer.h"
 #include "chrome/renderer/extensions/api_definitions_natives.h"
 #include "chrome/renderer/extensions/app_bindings.h"
 #include "chrome/renderer/extensions/chrome_v8_context.h"
@@ skipping 62 matching lines @@
 using extensions::SetIconNatives;
 using extensions::TTSCustomBindings;
 using extensions::TabsCustomBindings;
 using extensions::WebRequestCustomBindings;
 
 namespace {
 
 static const int64 kInitialExtensionIdleHandlerDelayMs = 5*1000;
 static const int64 kMaxExtensionIdleHandlerDelayMs = 5*60*1000;
 static const char kEventDispatchFunction[] = "Event.dispatchJSON";
-static const char kOnUnloadEvent[] =
-    "experimental.runtime.onBackgroundPageUnloadingSoon";
+static const char kOnUnloadEvent[] = "runtime.onBackgroundPageUnloadingSoon";
 
 class ChromeHiddenNativeHandler : public NativeHandler {
  public:
   ChromeHiddenNativeHandler() {
     RouteFunction("GetChromeHidden",
         base::Bind(&ChromeHiddenNativeHandler::GetChromeHidden,
                    base::Unretained(this)));
   }
 
   v8::Handle<v8::Value> GetChromeHidden(const v8::Arguments& args) {
@@ skipping 65 matching lines @@
                                    const Extension* extension) {
     if (!render_view)
       return false;
 
     ExtensionHelper* helper = ExtensionHelper::Get(render_view);
     return (extension && extension->has_lazy_background_page() &&
             helper->view_type() == chrome::VIEW_TYPE_EXTENSION_BACKGROUND_PAGE);
   }
 };
 
+class ChannelNativeHandler : public NativeHandler {
+ public:
+  explicit ChannelNativeHandler(chrome::VersionInfo::Channel channel)
+      : channel_(channel) {
+    RouteFunction("IsDevChannel",
+        base::Bind(&ChannelNativeHandler::IsDevChannel,
+                   base::Unretained(this)));
+  }
+
+  v8::Handle<v8::Value> IsDevChannel(const v8::Arguments& args) {
+    return v8::Boolean::New(channel_ <= chrome::VersionInfo::CHANNEL_DEV);
+  }
+
+  chrome::VersionInfo::Channel channel_;
+};
+
 void InstallAppBindings(ModuleSystem* module_system,
                         v8::Handle<v8::Object> chrome,
                         v8::Handle<v8::Object> chrome_hidden) {
   module_system->SetLazyField(chrome, "app", "app", "chromeApp");
   module_system->SetLazyField(chrome, "appNotifications", "app",
                               "chromeAppNotifications");
   module_system->SetLazyField(chrome_hidden, "app", "app",
                               "chromeHiddenApp");
 }
 
 void InstallWebstoreBindings(ModuleSystem* module_system,
                              v8::Handle<v8::Object> chrome,
                              v8::Handle<v8::Object> chrome_hidden) {
   module_system->SetLazyField(chrome, "webstore", "webstore", "chromeWebstore");
   module_system->SetLazyField(chrome_hidden, "webstore", "webstore",
                               "chromeHiddenWebstore");
 }
 
 }
 
 ExtensionDispatcher::ExtensionDispatcher()
     : is_webkit_initialized_(false),
       webrequest_adblock_(false),
       webrequest_adblock_plus_(false),
       webrequest_other_(false),
-      source_map_(&ResourceBundle::GetSharedInstance()) {
+      source_map_(&ResourceBundle::GetSharedInstance()),
+      chrome_channel_(chrome::VersionInfo::CHANNEL_UNKNOWN) {
   const CommandLine& command_line = *(CommandLine::ForCurrentProcess());
   is_extension_process_ =
       command_line.HasSwitch(switches::kExtensionProcess) ||
       command_line.HasSwitch(switches::kSingleProcess);
 
   if (is_extension_process_) {
     RenderThread::Get()->SetIdleNotificationDelayInMs(
         kInitialExtensionIdleHandlerDelayMs);
   }
 
   user_script_slave_.reset(new UserScriptSlave(&extensions_));
   request_sender_.reset(new ExtensionRequestSender(this, &v8_context_set_));
   PopulateSourceMap();
   PopulateLazyBindingsMap();
 }
 
 ExtensionDispatcher::~ExtensionDispatcher() {
 }
 
 bool ExtensionDispatcher::OnControlMessageReceived(
     const IPC::Message& message) {
   bool handled = true;
   IPC_BEGIN_MESSAGE_MAP(ExtensionDispatcher, message)
+    IPC_MESSAGE_HANDLER(ExtensionMsg_SetChannel, OnSetChannel)
     IPC_MESSAGE_HANDLER(ExtensionMsg_MessageInvoke, OnMessageInvoke)
     IPC_MESSAGE_HANDLER(ExtensionMsg_DispatchOnConnect, OnDispatchOnConnect)
     IPC_MESSAGE_HANDLER(ExtensionMsg_DeliverMessage, OnDeliverMessage)
     IPC_MESSAGE_HANDLER(ExtensionMsg_DispatchOnDisconnect,
                         OnDispatchOnDisconnect)
     IPC_MESSAGE_HANDLER(ExtensionMsg_SetFunctionNames, OnSetFunctionNames)
     IPC_MESSAGE_HANDLER(ExtensionMsg_Loaded, OnLoaded)
     IPC_MESSAGE_HANDLER(ExtensionMsg_Unloaded, OnUnloaded)
     IPC_MESSAGE_HANDLER(ExtensionMsg_SetScriptingWhitelist,
                         OnSetScriptingWhitelist)
@@ skipping 44 matching lines @@
   }
 }
 
 void ExtensionDispatcher::OnSetFunctionNames(
     const std::vector<std::string>& names) {
   function_names_.clear();
   for (size_t i = 0; i < names.size(); ++i)
     function_names_.insert(names[i]);
 }
 
+void ExtensionDispatcher::OnSetChannel(int channel) {
+  chrome_channel_ = channel;
+}
+
 void ExtensionDispatcher::OnMessageInvoke(const std::string& extension_id,
                                           const std::string& function_name,
                                           const ListValue& args,
                                           const GURL& event_url,
                                           bool user_gesture) {
   scoped_ptr<WebScopedUserGesture> web_user_gesture;
   if (user_gesture) {
     web_user_gesture.reset(new WebScopedUserGesture);
   }
 
@@ skipping 214 matching lines @@
                              IDR_CONTEXT_MENUS_CUSTOM_BINDINGS_JS);
   source_map_.RegisterSource("declarative",
                              IDR_DECLARATIVE_CUSTOM_BINDINGS_JS);
   source_map_.RegisterSource("declarativeWebRequest",
                              IDR_DECLARATIVE_WEBREQUEST_CUSTOM_BINDINGS_JS);
   source_map_.RegisterSource("devtools", IDR_DEVTOOLS_CUSTOM_BINDINGS_JS);
   source_map_.RegisterSource("experimental.mediaGalleries",
                              IDR_MEDIA_GALLERY_CUSTOM_BINDINGS_JS);
   source_map_.RegisterSource("experimental.offscreen",
                              IDR_EXPERIMENTAL_OFFSCREENTABS_CUSTOM_BINDINGS_JS);
-  source_map_.RegisterSource("experimental.runtime",
-                             IDR_EXPERIMENTAL_RUNTIME_CUSTOM_BINDINGS_JS);
   source_map_.RegisterSource("experimental.usb",
                              IDR_EXPERIMENTAL_USB_CUSTOM_BINDINGS_JS);
   source_map_.RegisterSource("extension", IDR_EXTENSION_CUSTOM_BINDINGS_JS);
   source_map_.RegisterSource("fileBrowserHandler",
                              IDR_FILE_BROWSER_HANDLER_CUSTOM_BINDINGS_JS);
   source_map_.RegisterSource("fileBrowserPrivate",
                              IDR_FILE_BROWSER_PRIVATE_CUSTOM_BINDINGS_JS);
   source_map_.RegisterSource("i18n", IDR_I18N_CUSTOM_BINDINGS_JS);
   source_map_.RegisterSource("experimental.input.ime",
                              IDR_INPUT_IME_CUSTOM_BINDINGS_JS);
   source_map_.RegisterSource("omnibox", IDR_OMNIBOX_CUSTOM_BINDINGS_JS);
   source_map_.RegisterSource("pageActions",
                              IDR_PAGE_ACTIONS_CUSTOM_BINDINGS_JS);
   source_map_.RegisterSource("pageAction", IDR_PAGE_ACTION_CUSTOM_BINDINGS_JS);
   source_map_.RegisterSource("pageCapture",
                              IDR_PAGE_CAPTURE_CUSTOM_BINDINGS_JS);
   source_map_.RegisterSource("platformApp", IDR_PLATFORM_APP_JS);
+  source_map_.RegisterSource("runtime", IDR_RUNTIME_CUSTOM_BINDINGS_JS);
   source_map_.RegisterSource("storage", IDR_STORAGE_CUSTOM_BINDINGS_JS);
   source_map_.RegisterSource("tabs", IDR_TABS_CUSTOM_BINDINGS_JS);
   source_map_.RegisterSource("tts", IDR_TTS_CUSTOM_BINDINGS_JS);
   source_map_.RegisterSource("ttsEngine", IDR_TTS_ENGINE_CUSTOM_BINDINGS_JS);
   source_map_.RegisterSource("types", IDR_TYPES_CUSTOM_BINDINGS_JS);
   source_map_.RegisterSource("webRequest", IDR_WEB_REQUEST_CUSTOM_BINDINGS_JS);
   source_map_.RegisterSource("webstore", IDR_WEBSTORE_CUSTOM_BINDINGS_JS);
 }
 
 void ExtensionDispatcher::PopulateLazyBindingsMap() {
@@ skipping 57 matching lines @@
   ModuleSystem::NativesEnabledScope natives_enabled_scope(module_system.get());
 
   RegisterNativeHandlers(module_system.get(), context);
 
   module_system->RegisterNativeHandler("chrome_hidden",
       scoped_ptr<NativeHandler>(new ChromeHiddenNativeHandler()));
   module_system->RegisterNativeHandler("print",
       scoped_ptr<NativeHandler>(new PrintNativeHandler()));
   module_system->RegisterNativeHandler("lazy_background_page",
       scoped_ptr<NativeHandler>(new LazyBackgroundPageNativeHandler(this)));
+  module_system->RegisterNativeHandler("channel",
+      scoped_ptr<NativeHandler>(new ChannelNativeHandler(
+          static_cast<chrome::VersionInfo::Channel>(chrome_channel_))));
 
   int manifest_version = 1;
   if (extension)
     manifest_version = extension->manifest_version();
 
   // Create the 'chrome' variable if it doesn't already exist.
   {
     v8::HandleScope handle_scope;
     v8::Handle<v8::String> chrome_string(v8::String::New("chrome"));
     v8::Handle<v8::Object> global(v8::Context::GetCurrent()->Global());
@@ skipping 264 matching lines @@
     static const char kMessage[] =
         "%s can only be used in an extension process.";
     std::string error_msg = base::StringPrintf(kMessage, function_name.c_str());
     v8::ThrowException(
         v8::Exception::Error(v8::String::New(error_msg.c_str())));
     return false;
   }
 
   return true;
 }