Make ContentVideoView progress view visible in WebView

content/public/android/java/src/org/chromium/content/browser/ActivityContentVideoViewEmbedder.java

Index: content/public/android/java/src/org/chromium/content/browser/ActivityContentVideoViewEmbedder.java
diff --git a/content/public/android/java/src/org/chromium/content/browser/ActivityContentVideoViewEmbedder.java b/content/public/android/java/src/org/chromium/content/browser/ActivityContentVideoViewEmbedder.java
index fece9d1518995149c7f969a530fab994b022eb73..a61d42ef4114a044e3cd9bd589ceea43b2e3bc6f 100644
--- a/content/public/android/java/src/org/chromium/content/browser/ActivityContentVideoViewEmbedder.java
+++ b/content/public/android/java/src/org/chromium/content/browser/ActivityContentVideoViewEmbedder.java
@@ -25,7 +25,7 @@ public class ActivityContentVideoViewEmbedder implements ContentVideoViewEmbedde
     }
 
     @Override
-    public void enterFullscreenVideo(View view) {
+    public void enterFullscreenVideo(View view, boolean isVideoLoaded) {
         FrameLayout decor = (FrameLayout) mActivity.getWindow().getDecorView();
         decor.addView(view, 0,
                 new FrameLayout.LayoutParams(
@@ -37,6 +37,9 @@ public class ActivityContentVideoViewEmbedder implements ContentVideoViewEmbedde
     }
 
     @Override
+    public void fullscreenVideoLoaded() {}
+
+    @Override
     public void exitFullscreenVideo() {
         FrameLayout decor = (FrameLayout) mActivity.getWindow().getDecorView();
         decor.removeView(mView);
@@ -45,11 +48,6 @@ public class ActivityContentVideoViewEmbedder implements ContentVideoViewEmbedde
     }
 
     @Override
-    public View getVideoLoadingProgressView() {
-        return null;
-    }
-
-    @Override
     @SuppressLint("InlinedApi")
     public void setSystemUiVisibility(boolean enterFullscreen) {
         View decor = mActivity.getWindow().getDecorView();