Add support for highlighting menu items

chrome/android/java/src/org/chromium/chrome/browser/toolbar/ToolbarManager.java

Index: chrome/android/java/src/org/chromium/chrome/browser/toolbar/ToolbarManager.java
diff --git a/chrome/android/java/src/org/chromium/chrome/browser/toolbar/ToolbarManager.java b/chrome/android/java/src/org/chromium/chrome/browser/toolbar/ToolbarManager.java
index 8a2374ed1a590f215b71204e37d332be970b0659..ae2b8ef60f57efe887dbc3b007829c057a71a818 100644
--- a/chrome/android/java/src/org/chromium/chrome/browser/toolbar/ToolbarManager.java
+++ b/chrome/android/java/src/org/chromium/chrome/browser/toolbar/ToolbarManager.java
@@ -144,6 +144,7 @@ public class ToolbarManager implements ToolbarTabController, UrlFocusChangeListe
     private int mFullscreenFocusToken = FullscreenManager.INVALID_TOKEN;
     private int mFullscreenFindInPageToken = FullscreenManager.INVALID_TOKEN;
     private int mFullscreenMenuToken = FullscreenManager.INVALID_TOKEN;
+    private int mFullscreenHighlightToken = FullscreenManager.INVALID_TOKEN;
 
     private int mPreselectedTabId = Tab.INVALID_TAB_ID;
 
@@ -829,6 +830,21 @@ public class ToolbarManager implements ToolbarTabController, UrlFocusChangeListe
                     mFullscreenMenuToken = FullscreenManager.INVALID_TOKEN;
                 }
             }
+
+            @Override
+            public void onMenuHighlightChanged(boolean highlighting) {
+                mToolbar.setMenuButtonHighlight(highlighting);
+
+                if (mControlsVisibilityDelegate == null) return;
+                if (highlighting) {
+                    mFullscreenHighlightToken =
+                            mControlsVisibilityDelegate.showControlsPersistentAndClearOldToken(
+                                    mFullscreenHighlightToken);
+                } else {
+                    mControlsVisibilityDelegate.hideControlsPersistent(mFullscreenHighlightToken);
+                    mFullscreenHighlightToken = FullscreenManager.INVALID_TOKEN;
+                }
+            }
         });
         mAppMenuButtonHelper = new AppMenuButtonHelper(menuHandler);
         mAppMenuButtonHelper.setOnAppMenuShownListener(new Runnable() {