[chromecast] Start deprecating MediaMessageLoop.

chromecast/browser/media/cast_browser_cdm_factory.h

Index: chromecast/browser/media/cast_browser_cdm_factory.h
diff --git a/chromecast/browser/media/cast_browser_cdm_factory.h b/chromecast/browser/media/cast_browser_cdm_factory.h
index 80e0ba0cc48d97f965b8afe1a77bc2ff55c6d1f9..224bcdefaa8ba69493c0539632065e9fdfd35bcc 100644
--- a/chromecast/browser/media/cast_browser_cdm_factory.h
+++ b/chromecast/browser/media/cast_browser_cdm_factory.h
@@ -6,10 +6,15 @@
 #define CHROMECAST_BROWSER_MEDIA_CAST_BROWSER_CDM_FACTORY_H_
 
 #include "base/macros.h"
+#include "base/single_thread_task_runner.h"
 #include "chromecast/media/base/key_systems_common.h"
 #include "media/base/cdm_factory.h"
 #include "media/base/media_keys.h"
 
+namespace base {
+class SingleThreadTaskRunner;

[halliwell, 2016/03/18 18:31:42]

nit, don't need to both forward-declare and include the header.

[alokp, 2016/03/18 18:47:35]

oops

+}  // namespace base
+
 namespace chromecast {
 namespace media {
 
@@ -17,8 +22,10 @@ class BrowserCdmCast;
 
 class CastBrowserCdmFactory : public ::media::CdmFactory {
  public:
-  CastBrowserCdmFactory() {}
-  ~CastBrowserCdmFactory() override {};
+  // CDM factory will use |task_runner| to initialize the CDM.
+  CastBrowserCdmFactory(

[halliwell, 2016/03/18 18:31:42]

nit: explicit

[alokp, 2016/03/18 18:47:35]

Done.

+      const scoped_refptr<base::SingleThreadTaskRunner>& task_runner);
+  ~CastBrowserCdmFactory() override;
 
   // ::media::CdmFactory implementation:
   void Create(
@@ -37,6 +44,7 @@ class CastBrowserCdmFactory : public ::media::CdmFactory {
       const CastKeySystem& cast_key_system);
 
  private:
+  scoped_refptr<base::SingleThreadTaskRunner> task_runner_;
   DISALLOW_COPY_AND_ASSIGN(CastBrowserCdmFactory);
 };