media: Remove BrowserCdmFactory inferface.

content/public/browser/content_browser_client.h

Index: content/public/browser/content_browser_client.h
diff --git a/content/public/browser/content_browser_client.h b/content/public/browser/content_browser_client.h
index fe3538f35a7dfe87d264b33aa72e1784ad7374b4..a4bad095d34fd88cc22620ebbd9ba7db73d96988 100644
--- a/content/public/browser/content_browser_client.h
+++ b/content/public/browser/content_browser_client.h
@@ -54,6 +54,10 @@ namespace gfx {
 class ImageSkia;
 }
 
+namespace media {
+class CdmFactory;
+}
+
 namespace mojo {
 class ApplicationDelegate;
 }
@@ -709,6 +713,10 @@ class CONTENT_EXPORT ContentBrowserClient {
   virtual ScopedVector<NavigationThrottle> CreateThrottlesForNavigation(
       NavigationHandle* navigation_handle);
 
+  // Creates and returns a factory used for creating CDM instances for playing
+  // protected content.
+  virtual scoped_ptr<media::CdmFactory> CreateCdmFactory();
+
   // Populates |mappings| with all files that need to be mapped before launching
   // a child process.
 #if defined(OS_ANDROID)