Add interface for DesktopMediaPickerModel

chrome/browser/extensions/api/desktop_capture/desktop_capture_api.cc

 // Copyright 2013 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/browser/extensions/api/desktop_capture/desktop_capture_api.h"
 
 #include "base/strings/utf_string_conversions.h"
 #include "chrome/browser/media/desktop_streams_registry.h"
 #include "chrome/browser/media/media_capture_devices_dispatcher.h"
 #include "content/public/browser/browser_thread.h"
@@ skipping 72 matching lines @@
 
   scoped_ptr<DesktopMediaPickerModel> model;
   if (g_picker_factory) {
     model = g_picker_factory->CreateModel(
         screen_capturer.Pass(), window_capturer.Pass());
     picker_ = g_picker_factory->CreatePicker();
   } else {
     // Currently DesktopMediaPicker is implemented only for platforms that
     // use Views.
 #if defined(TOOLKIT_VIEWS)
-    model.reset(new DesktopMediaPickerModel(
+    model.reset(new DesktopMediaPickerModelImpl(
         screen_capturer.Pass(), window_capturer.Pass()));
     picker_ = DesktopMediaPicker::Create();
 #else
     error_ = kNotImplementedError;
     return false;
 #endif
   }
   DesktopMediaPicker::DoneCallback callback = base::Bind(
       &DesktopCaptureChooseDesktopMediaFunction::OnPickerDialogResults, this);
   picker_->Show(NULL, NULL, UTF8ToUTF16(GetExtension()->name()),
                 model.Pass(), callback);
   return true;
 }
 
 void DesktopCaptureChooseDesktopMediaFunction::OnPickerDialogResults(
     content::DesktopMediaID source) {
   std::string result;
   if (source.type != content::DesktopMediaID::TYPE_NONE) {
     DesktopStreamsRegistry* registry =
         MediaCaptureDevicesDispatcher::GetInstance()->
         GetDesktopStreamsRegistry();
     result = registry->RegisterStream(origin_, source);
   }
 
   SetResult(new base::StringValue(result));
   SendResponse(true);
 }
 
 }  // namespace extensions