Fix MediaPlayerBridge to handle unknown or infinite durations.

media/base/android/media_player_bridge.cc

Index: media/base/android/media_player_bridge.cc
diff --git a/media/base/android/media_player_bridge.cc b/media/base/android/media_player_bridge.cc
index 433a6a8d15a3c49b3d49a2c9fed3fb43c9672788..15279a5334f40e5fa26956ac0209ed784d5c385c 100644
--- a/media/base/android/media_player_bridge.cc
+++ b/media/base/android/media_player_bridge.cc
@@ -15,6 +15,7 @@
 #include "media/base/android/media_player_manager.h"
 #include "media/base/android/media_resource_getter.h"
 #include "media/base/android/media_url_interceptor.h"
+#include "media/base/buffers.h"
 
 using base::android::ConvertUTF8ToJavaString;
 using base::android::ScopedJavaLocalRef;
@@ -368,9 +369,10 @@ base::TimeDelta MediaPlayerBridge::GetDuration() {
   if (!prepared_)
     return duration_;
   JNIEnv* env = base::android::AttachCurrentThread();
-  return base::TimeDelta::FromMilliseconds(
-      Java_MediaPlayerBridge_getDuration(
-          env, j_media_player_bridge_.obj()));
+  const int duration_ms =
+      Java_MediaPlayerBridge_getDuration(env, j_media_player_bridge_.obj());
+  return duration_ms < 0 ? media::kInfiniteDuration()
+                         : base::TimeDelta::FromMilliseconds(duration_ms);
 }
 
 void MediaPlayerBridge::Release() {