More logs to debug AVPrerollVideoEndsWhilePrerolling on bot

media/base/android/media_codec_decoder.h

Index: media/base/android/media_codec_decoder.h
diff --git a/media/base/android/media_codec_decoder.h b/media/base/android/media_codec_decoder.h
index c47d922657a0c55ee1f8e37cdfb2d2db89c7b04c..5bc60215ac6a19c3c277f68c2c5814426e473809 100644
--- a/media/base/android/media_codec_decoder.h
+++ b/media/base/android/media_codec_decoder.h
@@ -243,6 +243,9 @@ class MediaCodecDecoder {
   // Sets the notification to be called when MediaCodec is created.
   void SetCodecCreatedCallbackForTests(base::Closure cb);
 
+  // Turn on and off extra logging with elevated log level.
+  void SetVerboseForTests(bool value);
+
  protected:
   enum RenderMode {
     kRenderSkip = 0,
@@ -326,6 +329,9 @@ class MediaCodecDecoder {
   // For tests only. Forces to always reconfigure for |kConfigChanged| unit.
   bool always_reconfigure_for_tests_;
 
+  // For tests only. Enables more logging output.
+  bool verbose_;
+
   // For tests only. Callback to be callned when MediaCodec is created.
   base::Closure codec_created_for_tests_cb_;