Reland r57788 - Expose Extension Bindings to Component Applications

chrome/browser/extensions/extension_messages_browsertest.cc

 // Copyright (c) 2009 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 "base/values.h"
 #include "chrome/browser/extensions/extension_message_service.h"
 #include "chrome/common/render_messages.h"
 #include "chrome/renderer/extensions/event_bindings.h"
 #include "chrome/renderer/extensions/renderer_extension_bindings.h"
 #include "chrome/test/render_view_test.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
 static void DispatchOnConnect(int source_port_id, const std::string& name,
                               const std::string& tab_json) {
   ListValue args;
   args.Set(0, Value::CreateIntegerValue(source_port_id));
   args.Set(1, Value::CreateStringValue(name));
   args.Set(2, Value::CreateStringValue(tab_json));
-  args.Set(3, Value::CreateStringValue(""));  // extension ID is empty for tests
-  args.Set(4, Value::CreateStringValue(""));  // extension ID is empty for tests
+  // Testing extensionId. Set in EventBindings::HandleContextCreated.
+  // We use the same id for source & target to similute an extension "talking
+  // to itself".
+  args.Set(3, Value::CreateStringValue(EventBindings::kTestingExtensionId));
+  args.Set(4, Value::CreateStringValue(EventBindings::kTestingExtensionId));
   RendererExtensionBindings::Invoke(
       ExtensionMessageService::kDispatchOnConnect, args, NULL, false, GURL());
 }
 
 static void DispatchOnDisconnect(int source_port_id) {
   ListValue args;
   args.Set(0, Value::CreateIntegerValue(source_port_id));
   RendererExtensionBindings::Invoke(
       ExtensionMessageService::kDispatchOnDisconnect, args, NULL, false,
       GURL());
@@ skipping 111 matching lines @@
 
   // Verify that we got it.
   alert_msg =
       render_thread_.sink().GetUniqueMessageMatching(
           ViewHostMsg_RunJavaScriptMessage::ID);
   ASSERT_TRUE(alert_msg);
   iter = IPC::SyncMessage::GetDataIterator(alert_msg);
   ASSERT_TRUE(IPC::ReadParam(alert_msg, &iter, &alert_param));
   EXPECT_EQ(L"disconnected: 24", alert_param.a);
 }