Simplify/Cleanup MediaClient

content/public/renderer/content_renderer_client.h

 // 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.
 
 #ifndef CONTENT_PUBLIC_RENDERER_CONTENT_RENDERER_CLIENT_H_
 #define CONTENT_PUBLIC_RENDERER_CONTENT_RENDERER_CLIENT_H_
 
 #include <stddef.h>
 
 #include <map>
 #include <memory>
 #include <string>
 #include <vector>
 
 #include "base/callback_forward.h"
 #include "base/memory/ref_counted.h"
 #include "base/strings/string16.h"
 #include "base/task_scheduler/task_scheduler.h"
 #include "build/build_config.h"
 #include "content/public/common/content_client.h"
+#include "media/base/decode_capabilities.h"
 #include "third_party/WebKit/public/platform/WebPageVisibilityState.h"
 #include "third_party/WebKit/public/web/WebNavigationPolicy.h"
 #include "third_party/WebKit/public/web/WebNavigationType.h"
 #include "ui/base/page_transition_types.h"
 #include "v8/include/v8.h"
 
 class GURL;
 class SkBitmap;
 
 namespace base {
@@ skipping 226 matching lines @@
   // Returns true if the page at |url| can use Pepper MediaStream APIs.
   virtual bool AllowPepperMediaStreamAPI(const GURL& url);
 
   // Allows an embedder to provide a MediaStreamRendererFactory.
   virtual std::unique_ptr<MediaStreamRendererFactory>
   CreateMediaStreamRendererFactory();
 
   // Allows an embedder to provide a default image decode color space.
   virtual std::unique_ptr<gfx::ICCProfile> GetImageDecodeColorProfile();
 
-  // Gives the embedder a chance to register the key system(s) it supports by
-  // populating |key_systems|.
+  // Allows embedder to register the key system(s) it supports by populating
+  // |key_systems|.
   virtual void AddSupportedKeySystems(
       std::vector<std::unique_ptr<media::KeySystemProperties>>* key_systems);
 
+  // Signal that embedder has changed key systems.
+  // TODO(chcunningham): Refactor this to a proper change "observer" API that is
+  // less fragile (don't assume AddSupportedKeySystems has just one caller).
+  virtual bool IsKeySystemsUpdateNeeded();
+
+  // Allows embedder to describe customized audio capabilities.
+  virtual bool IsSupportedAudioConfig(const media::AudioConfig& config);
+
+  // Allows embedder to describe customized video capabilities.
+  virtual bool IsSupportedVideoConfig(const media::VideoConfig& config);
+
   // Returns true if we should report a detailed message (including a stack
   // trace) for console [logs|errors|exceptions]. |source| is the WebKit-
   // reported source for the error; this can point to a page or a script,
   // and can be external or internal.
   virtual bool ShouldReportDetailedMessageForSource(
       const base::string16& source) const;
 
   // Returns true if we should gather stats during resource loads as if the
   // cross-site document blocking policy were enabled. Does not actually block
   // any pages.
@@ skipping 84 matching lines @@
       base::TaskScheduler::WorkerPoolIndexForTraitsCallback*
           index_to_traits_callback) {}
 
   // Returns true if the media pipeline can be suspended, or false otherwise.
   virtual bool AllowMediaSuspend();
 };
 
 }  // namespace content
 
 #endif  // CONTENT_PUBLIC_RENDERER_CONTENT_RENDERER_CLIENT_H_