cast: Support for low-latency interactive mode

media/capture/content/thread_safe_capture_oracle.h

Index: media/capture/content/thread_safe_capture_oracle.h
diff --git a/media/capture/content/thread_safe_capture_oracle.h b/media/capture/content/thread_safe_capture_oracle.h
index a410000bcf456a47dcb3597e6a021a2cd0c712fe..58a80f561141804250be9532d7064d06ffbde677 100644
--- a/media/capture/content/thread_safe_capture_oracle.h
+++ b/media/capture/content/thread_safe_capture_oracle.h
@@ -2,8 +2,8 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-#ifndef MEDIA_CAPTURE_THREAD_SAFE_CAPTURE_ORACLE_H_
-#define MEDIA_CAPTURE_THREAD_SAFE_CAPTURE_ORACLE_H_
+#ifndef MEDIA_CAPTURE_CONTENT_THREAD_SAFE_CAPTURE_ORACLE_H_
+#define MEDIA_CAPTURE_CONTENT_THREAD_SAFE_CAPTURE_ORACLE_H_
 
 #include <string>
 
@@ -52,6 +52,8 @@ class MEDIA_EXPORT ThreadSafeCaptureOracle
     return oracle_.min_capture_period();
   }
 
+  bool IsAnimationActive() const { return oracle_.IsAnimationActive(); }
+
   gfx::Size max_frame_size() const {
     return params_.requested_format.frame_size;
   }
@@ -103,4 +105,4 @@ class MEDIA_EXPORT ThreadSafeCaptureOracle
 
 }  // namespace media
 
-#endif  // MEDIA_CAPTURE_THREAD_SAFE_CAPTURE_ORACLE_H_
+#endif  // MEDIA_CAPTURE_CONTENT_THREAD_SAFE_CAPTURE_ORACLE_H_