Hide location bar on WebKit programmatic scroll.

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

Index: content/public/android/java/src/org/chromium/content/browser/ContentViewCore.java
diff --git a/content/public/android/java/src/org/chromium/content/browser/ContentViewCore.java b/content/public/android/java/src/org/chromium/content/browser/ContentViewCore.java
index bc44c529258d2f586500e4032d3c18e340722f0d..363ff072b0ecf4af88a66d68cac4fc7a98dfb0d6 100644
--- a/content/public/android/java/src/org/chromium/content/browser/ContentViewCore.java
+++ b/content/public/android/java/src/org/chromium/content/browser/ContentViewCore.java
@@ -2495,6 +2495,13 @@ public class ContentViewCore implements MotionEventDelegate, NavigationClient {
     }
 
     /**
+     * Show or hide the top controls.
+     */
+    public void showTopControls(boolean show) {
+        nativeShowTopControls(mNativeContentViewCore, show);
+    }
+
+    /**
      * @See android.webkit.WebView#pageDown(boolean)
      */
     public boolean pageDown(boolean bottom) {
@@ -2760,6 +2767,8 @@ public class ContentViewCore implements MotionEventDelegate, NavigationClient {
     private native void nativeExitFullscreen(int nativeContentViewCoreImpl);
     private native void nativeEnableHidingTopControls(
             int nativeContentViewCoreImpl, boolean enable);
+    private native void nativeShowTopControls(
+            int nativeContentViewCoreImpl, boolean show);
 
     private native void nativeShowImeIfNeeded(int nativeContentViewCoreImpl);