Convert tabs, windows, and extension APIs to feature system.

chrome/renderer/extensions/extension_dispatcher.cc

Index: chrome/renderer/extensions/extension_dispatcher.cc
diff --git a/chrome/renderer/extensions/extension_dispatcher.cc b/chrome/renderer/extensions/extension_dispatcher.cc
index ed3b2c1061f188e5304a609ae5e3b2327796708c..51f93931ee26895d4a91f932e53ed4b04a11b948 100644
--- a/chrome/renderer/extensions/extension_dispatcher.cc
+++ b/chrome/renderer/extensions/extension_dispatcher.cc
@@ -854,35 +854,3 @@ void ExtensionDispatcher::OnExtensionResponse(int request_id,
                                               const std::string& error) {
   request_sender_->HandleResponse(request_id, success, response, error);
 }
-
-bool ExtensionDispatcher::CheckCurrentContextAccessToExtensionAPI(
-    const std::string& function_name) const {
-  ChromeV8Context* context = v8_context_set().GetCurrent();
-  if (!context) {
-    DLOG(ERROR) << "Not in a v8::Context";
-    return false;
-  }
-
-  if (!context->extension() ||
-      !context->extension()->HasAPIPermission(function_name)) {
-    static const char kMessage[] =
-        "You do not have permission to use '%s'. Be sure to declare"
-        " in your manifest what permissions you need.";
-    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;
-  }
-
-  if (!IsExtensionActive(context->extension()->id()) &&
-      ExtensionAPI::GetSharedInstance()->IsPrivileged(function_name)) {
-    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;
-}