[Android] Invalidate ChromeShell progress bar during animation

base/android/java/src/org/chromium/base/ApiCompatibilityUtils.java

Index: base/android/java/src/org/chromium/base/ApiCompatibilityUtils.java
diff --git a/base/android/java/src/org/chromium/base/ApiCompatibilityUtils.java b/base/android/java/src/org/chromium/base/ApiCompatibilityUtils.java
index a122c06cf6fefd12933d24b1a6a67b7e0d5e2ac3..b673e3be7e89038683a3cc997194220466c15536 100644
--- a/base/android/java/src/org/chromium/base/ApiCompatibilityUtils.java
+++ b/base/android/java/src/org/chromium/base/ApiCompatibilityUtils.java
@@ -4,6 +4,7 @@
 
 package org.chromium.base;
 
+import android.animation.ValueAnimator;
 import android.app.PendingIntent;
 import android.content.res.Configuration;
 import android.graphics.drawable.Drawable;
@@ -234,6 +235,37 @@ public class ApiCompatibilityUtils {
     }
 
     /**
+     * @see android.view.View#postOnAnimation()
+     */
+    public static void postOnAnimation(View view, Runnable action) {
+        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.JELLY_BEAN) {
+            view.postOnAnimation(action);
+        } else {
+            view.postDelayed(action, getFrameTime());
+        }
+    }
+
+    /**
+     * @see android.view.View#postOnAnimationDelayed()
+     */
+    public static void postOnAnimationDelayed(View view, Runnable action, long delayMillis) {
+        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.JELLY_BEAN) {
+            view.postOnAnimationDelayed(action, delayMillis);
+        } else {
+            view.postDelayed(action, getFrameTime() + delayMillis);
+        }
+    }
+
+    private static long getFrameTime() {
+        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.HONEYCOMB) {
+            return ValueAnimator.getFrameDelay();
+        } else {
+            // Any reasonable fake frame delay will have to do.
+            return 10;
+        }
+    }
+
+    /**
      * @see android.widget.RemoteViews#setContentDescription(int, CharSequence)
      */
     public static void setContentDescriptionForRemoteView(RemoteViews remoteViews, int viewId,