Change original WebMediaPlayer signatures from float to double.

webkit/media/android/webmediaplayer_impl_android.cc

Index: webkit/media/android/webmediaplayer_impl_android.cc
diff --git a/webkit/media/android/webmediaplayer_impl_android.cc b/webkit/media/android/webmediaplayer_impl_android.cc
index d2ee78d19d42a526e65c733a163ed4483540f8a3..083edd7a63c9b1c99215eeaae1be81e3f2a5e8d4 100644
--- a/webkit/media/android/webmediaplayer_impl_android.cc
+++ b/webkit/media/android/webmediaplayer_impl_android.cc
@@ -81,7 +81,7 @@ void WebMediaPlayerImplAndroid::SeekInternal(base::TimeDelta time) {
     proxy_->Seek(player_id(), time);
 }
 
-float WebMediaPlayerImplAndroid::GetCurrentTimeInternal() const {
+double WebMediaPlayerImplAndroid::GetCurrentTimeInternal() const {
   return current_time_;
 }
 
@@ -91,7 +91,7 @@ void WebMediaPlayerImplAndroid::ReleaseResourcesInternal() {
 }
 
 void WebMediaPlayerImplAndroid::OnTimeUpdate(base::TimeDelta current_time) {
-  current_time_ = static_cast<float>(current_time.InSecondsF());
+  current_time_ = current_time.InSecondsF();
 }
 
 void WebMediaPlayerImplAndroid::OnDidEnterFullscreen() {