refactor to Introduce AUDIO_CAPTURE and VIDEO_CAPTURE permissions.

chrome/browser/media/media_stream_mic_permission_context_factory.h

Index: chrome/browser/media/media_stream_mic_permission_context_factory.h
diff --git a/chrome/browser/media/media_stream_mic_permission_context_factory.h b/chrome/browser/media/media_stream_mic_permission_context_factory.h
new file mode 100644
index 0000000000000000000000000000000000000000..a524b3047e58fad53217340fba70064613b333e6
--- /dev/null
+++ b/chrome/browser/media/media_stream_mic_permission_context_factory.h
@@ -0,0 +1,36 @@
+// Copyright 2015 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.
+
+#ifndef CHROME_BROWSER_MEDIA_MEDIA_STREAM_MIC_PERMISSION_CONTEXT_FACTORY_H_
+#define CHROME_BROWSER_MEDIA_MEDIA_STREAM_MIC_PERMISSION_CONTEXT_FACTORY_H_
+
+#include "base/memory/singleton.h"
+#include "components/content_settings/core/common/content_settings_types.h"
+#include "components/keyed_service/content/browser_context_keyed_service_factory.h"
+
+class MediaStreamDevicePermissionContext;
+class Profile;
+
+class MediaStreamMicPermissionContextFactory
+    : public BrowserContextKeyedServiceFactory {
+ public:
+  static MediaStreamDevicePermissionContext* GetForProfile(Profile* profile);
+  static MediaStreamMicPermissionContextFactory* GetInstance();
+
+ private:
+  friend struct DefaultSingletonTraits<MediaStreamMicPermissionContextFactory>;
+
+  MediaStreamMicPermissionContextFactory();
+  ~MediaStreamMicPermissionContextFactory() override;
+
+  // BrowserContextKeyedBaseFactory methods:
+  KeyedService* BuildServiceInstanceFor(

[tommi (sloooow) - chröme, 2015/09/01 21:29:02]

could these return a scoped_ptr?

[guoweis_left_chromium, 2015/09/01 21:56:30]

This was an override function. Changing the signature will be a much larger
change.

+      content::BrowserContext* profile) const override;
+  content::BrowserContext* GetBrowserContextToUse(
+      content::BrowserContext* context) const override;
+
+  DISALLOW_COPY_AND_ASSIGN(MediaStreamMicPermissionContextFactory);
+};
+
+#endif  // CHROME_BROWSER_MEDIA_MEDIA_STREAM_MIC_PERMISSION_CONTEXT_FACTORY_H_