Hide fullscreen rotation jank

content/public/android/java/src/org/chromium/content/browser/webcontents/WebContentsImpl.java

Index: content/public/android/java/src/org/chromium/content/browser/webcontents/WebContentsImpl.java
diff --git a/content/public/android/java/src/org/chromium/content/browser/webcontents/WebContentsImpl.java b/content/public/android/java/src/org/chromium/content/browser/webcontents/WebContentsImpl.java
index 57b60f421557ab4586b8491aac3d946ac77d4c45..cb00666648c5581672cf015d26877f9f51554c87 100644
--- a/content/public/android/java/src/org/chromium/content/browser/webcontents/WebContentsImpl.java
+++ b/content/public/android/java/src/org/chromium/content/browser/webcontents/WebContentsImpl.java
@@ -300,8 +300,12 @@ import java.util.UUID;
     }
 
     @Override
-    public void showInterstitialPage(
-            String url, long interstitialPageDelegateAndroid) {
+    public boolean canShowThumbnailPlaceholder() {
+        return nativeCanShowThumbnailPlaceholder(mNativeWebContentsAndroid);
+    }
+
+    @Override
+    public void showInterstitialPage(String url, long interstitialPageDelegateAndroid) {
         nativeShowInterstitialPage(mNativeWebContentsAndroid, url, interstitialPageDelegateAndroid);
     }
 
@@ -636,6 +640,7 @@ import java.util.UUID;
     private native void nativeSuspendAllMediaPlayers(long nativeWebContentsAndroid);
     private native void nativeSetAudioMuted(long nativeWebContentsAndroid, boolean mute);
     private native int nativeGetBackgroundColor(long nativeWebContentsAndroid);
+    private native boolean nativeCanShowThumbnailPlaceholder(long nativeWebContentsAndroid);
     private native void nativeShowInterstitialPage(long nativeWebContentsAndroid,
             String url, long nativeInterstitialPageDelegateAndroid);
     private native boolean nativeIsShowingInterstitialPage(long nativeWebContentsAndroid);