[Android] Ensure omnibox suggestions reappear after refocusing Chrome.

chrome/android/java/src/org/chromium/chrome/browser/omnibox/LocationBarLayout.java

 // Copyright 2015 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 package org.chromium.chrome.browser.omnibox;
 
 import static org.chromium.chrome.browser.toolbar.ToolbarPhone.URL_FOCUS_CHANGE_ANIMATION_DURATION_MS;
 
 import android.Manifest;
 import android.animation.Animator;
@@ skipping 609 matching lines @@
                 }
             }
             return idealListSize;
         }
 
         private int getDesiredWidth() {
             return mAnchorView.getWidth();
         }
 
         @Override
-        public void onWindowFocusChanged(boolean hasWindowFocus) {
-            super.onWindowFocusChanged(hasWindowFocus);
-            if (!hasWindowFocus && !mSuggestionModalShown) hideSuggestions();
-        }
-
-        @Override
         protected void layoutChildren() {
             super.layoutChildren();
             // In ICS, the selected view is not marked as selected despite calling setSelection(0),
             // so we bootstrap this after the children have been laid out.
             if (!isInTouchMode() && getSelectedView() != null) {
                 getSelectedView().setSelected(true);
             }
         }
 
         private void updateSuggestionsLayoutDirection(int layoutDirection) {
@@ skipping 1720 matching lines @@
 
         if (!mWindowAndroid.hasPermission(Manifest.permission.RECORD_AUDIO)
                 && !mWindowAndroid.canRequestPermission(Manifest.permission.RECORD_AUDIO)) {
             return false;
         }
 
         return FeatureUtilities.isRecognitionIntentPresent(getContext(), true);
     }
 
     @Override
+    public void onWindowFocusChanged(boolean hasWindowFocus) {
+        super.onWindowFocusChanged(hasWindowFocus);
+        if (!hasWindowFocus && !mSuggestionModalShown) {
+            hideSuggestions();
+        } else if (hasWindowFocus && mUrlHasFocus && mNativeInitialized) {
+            onTextChangedForAutocomplete(false);
+        }
+    }
+
+    @Override
     protected void onWindowVisibilityChanged(int visibility) {
         super.onWindowVisibilityChanged(visibility);
         if (visibility == View.VISIBLE) updateMicButtonState();
     }
 
     /**
      * Call to update the visibility of the buttons inside the location bar.
      */
     protected void updateButtonVisibility() {
         updateDeleteButtonVisibility();
@@ skipping 151 matching lines @@
     public void setTitleToPageTitle() { }
 
     @Override
     public void setShowTitle(boolean showTitle) { }
 
     @Override
     public boolean mustQueryUrlBarLocationForSuggestions() {
         return DeviceFormFactor.isTablet();
     }
 }