Generate all extension schema namespaces as "api" and instead vary the generated bundle names.

extensions/browser/api/cast_channel/cast_channel_apitest.cc

 // Copyright 2014 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/bind.h"
 #include "base/command_line.h"
 #include "base/files/file_path.h"
 #include "base/timer/mock_timer.h"
 #include "chrome/browser/extensions/extension_apitest.h"
 #include "chrome/browser/extensions/extension_function_test_utils.h"
@@ skipping 12 matching lines @@
 #include "extensions/test/result_catcher.h"
 #include "net/base/completion_callback.h"
 #include "net/base/net_errors.h"
 #include "net/log/test_net_log.h"
 #include "testing/gmock/include/gmock/gmock.h"
 #include "testing/gmock_mutant.h"
 
 // TODO(mfoltz): Mock out the ApiResourceManager to resolve threading issues
 // (crbug.com/398242) and simulate unloading of the extension.
 
-namespace cast_channel = extensions::core_api::cast_channel;
+namespace cast_channel = extensions::api::cast_channel;
 using cast_channel::CastMessage;
 using cast_channel::CastSocket;
 using cast_channel::CastTransport;
 using cast_channel::ChannelAuthType;
 using cast_channel::ChannelError;
 using cast_channel::CreateIPEndPointForTest;
 using cast_channel::ErrorInfo;
 using cast_channel::LastErrors;
 using cast_channel::Logger;
 using cast_channel::MessageInfo;
@@ skipping 523 matching lines @@
 #define MAYBE_TestSetAuthorityKeys DISABLED_TestSetAuthorityKeys
 #else
 #define MAYBE_TestSetAuthorityKeys TestSetAuthorityKeys
 #endif
 // Test loading extension, opening a channel with ConnectInfo, adding a
 // listener, writing, reading, and closing.
 IN_PROC_BROWSER_TEST_F(CastChannelAPITest, MAYBE_TestSetAuthorityKeys) {
   EXPECT_TRUE(
       RunExtensionSubtest("cast_channel/api", "test_authority_keys.html"));
 }