Add "Request app banner" context menu in DevTools

chrome/android/java/src/org/chromium/chrome/browser/tab/Tab.java

Index: chrome/android/java/src/org/chromium/chrome/browser/tab/Tab.java
diff --git a/chrome/android/java/src/org/chromium/chrome/browser/tab/Tab.java b/chrome/android/java/src/org/chromium/chrome/browser/tab/Tab.java
index 364e6978572f97d58fdd055729fd03004f31b177..583836f2111e4adc6658fcd261821f922aa650aa 100644
--- a/chrome/android/java/src/org/chromium/chrome/browser/tab/Tab.java
+++ b/chrome/android/java/src/org/chromium/chrome/browser/tab/Tab.java
@@ -2182,6 +2182,14 @@ public final class Tab implements ViewGroup.OnHierarchyChangeListener,
         swapContentViewCore(cvc, false, didStartLoad, didFinishLoad);
     }
 
+    /** Requests the app banner. This method is called from the DevTools. */

[gone, 2016/01/19 18:35:00]

Does this function need to be public?  If it's called only by native code, then
it can be marked as private and the compiler will accept it.

[horo, 2016/01/20 02:26:34]

Done.
Changed to private.

+    @CalledByNative
+    public boolean requestAppBanner() {
+        if (mAppBannerManager == null) return false;
+        mAppBannerManager.requestAppBanner();
+        return true;
+    }
+
     /**
      * Called to swap out the current view with the one passed in.
      *