Remove base::ScopedPtrHashMap from content/ android.

content/browser/media/android/media_web_contents_observer_android.h

Index: content/browser/media/android/media_web_contents_observer_android.h
diff --git a/content/browser/media/android/media_web_contents_observer_android.h b/content/browser/media/android/media_web_contents_observer_android.h
index 14ea142526bb293d0bd82ef2fddc2ae77903f71c..e330e45009e3a8785919716a6fe26aef77b7c40c 100644
--- a/content/browser/media/android/media_web_contents_observer_android.h
+++ b/content/browser/media/android/media_web_contents_observer_android.h
@@ -8,6 +8,7 @@
 #include <stdint.h>
 
 #include <memory>
+#include <unordered_map>
 
 #include "base/macros.h"
 #include "content/browser/media/media_web_contents_observer.h"
@@ -76,13 +77,13 @@ class CONTENT_EXPORT MediaWebContentsObserverAndroid
 
   // Map from RenderFrameHost* to BrowserMediaPlayerManager.
   using MediaPlayerManagerMap =
-      base::ScopedPtrHashMap<RenderFrameHost*,
-                             std::unique_ptr<BrowserMediaPlayerManager>>;
+      std::unordered_map<RenderFrameHost*,
+                         std::unique_ptr<BrowserMediaPlayerManager>>;
   MediaPlayerManagerMap media_player_managers_;
 
   using SurfaceViewManagerMap =
-      base::ScopedPtrHashMap<RenderFrameHost*,
-                             std::unique_ptr<BrowserSurfaceViewManager>>;
+      std::unordered_map<RenderFrameHost*,
+                         std::unique_ptr<BrowserSurfaceViewManager>>;
   SurfaceViewManagerMap surface_view_managers_;
 
   DISALLOW_COPY_AND_ASSIGN(MediaWebContentsObserverAndroid);