Let the browser know the end of fling

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

Index: content/public/android/java/src/org/chromium/content/browser/ContentViewClient.java
diff --git a/content/public/android/java/src/org/chromium/content/browser/ContentViewClient.java b/content/public/android/java/src/org/chromium/content/browser/ContentViewClient.java
index a7ffe290a39b565520f2521265d9533d1e92a643..e2d6c05df91c76f783ad564b683914a813131b31 100644
--- a/content/public/android/java/src/org/chromium/content/browser/ContentViewClient.java
+++ b/content/public/android/java/src/org/chromium/content/browser/ContentViewClient.java
@@ -179,4 +179,18 @@ public class ContentViewClient {
     public boolean shouldBlockMediaRequest(String url) {
         return false;
     }
+
+    /**
+     * Called when a fling start event is sent. Note: onFlingStopped() of the previous
+     * fling may be called after onFlingStarted() of the current fling, so if the
+     * client wants to manage the fling status, a counter should be used.
+     */
+    public void onFlingStarted() {
+    }
+
+    /**
+     * Called when a fling is stopped, or a fling start event didn't trigger a fling.
+     */
+    public void onFlingStopped() {
+    }
 }