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

extensions/browser/api/app_window/app_window_api.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 "extensions/browser/api/app_window/app_window_api.h"
 
 #include "base/command_line.h"
 #include "base/strings/string_number_conversions.h"
 #include "base/strings/string_util.h"
 #include "base/time/time.h"
@@ skipping 14 matching lines @@
 #include "extensions/common/features/simple_feature.h"
 #include "extensions/common/image_util.h"
 #include "extensions/common/manifest.h"
 #include "extensions/common/permissions/permissions_data.h"
 #include "extensions/common/switches.h"
 #include "third_party/skia/include/core/SkColor.h"
 #include "ui/base/ui_base_types.h"
 #include "ui/gfx/geometry/rect.h"
 #include "url/gurl.h"
 
-namespace app_window = extensions::core_api::app_window;
+namespace app_window = extensions::api::app_window;
 namespace Create = app_window::Create;
 
 namespace extensions {
 
 namespace app_window_constants {
 const char kInvalidWindowId[] =
     "The window id can not be more than 256 characters long.";
 const char kInvalidColorSpecification[] =
     "The color specification could not be parsed.";
 const char kColorWithFrameNone[] = "Windows with no frame cannot have a color.";
@@ skipping 502 matching lines @@
 
   if (options.frame->as_frame_options->inactive_color.get()) {
     error_ = app_window_constants::kInactiveColorWithoutColor;
     return false;
   }
 
   return true;
 }
 
 }  // namespace extensions