Remove unused OmniboxLivenessListener.

While scanning code for a feature I noticed this was unused. Looks like
it was for testing that was removed:

https: //chrome-internal-review.googlesource.com/352825
Change-Id: I1b216fbd33ded9f76a7dc5a729537ad4a5586fea
Reviewed-on: https://chromium-review.googlesource.com/851195
Commit-Queue: Yaron Friedman <yfriedman@chromium.org>
Reviewed-by: Ted Choc (back but slow, ping me) <tedchoc@chromium.org>
Cr-Commit-Position: refs/heads/master@{#527150}

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

@@ -263,27 +263,6 @@ public class LocationBarLayout extends FrameLayout
         }
     }
 
-    /**
-     * Listener for receiving the messages related with interacting with the omnibox during startup.
-     */
-    public interface OmniboxLivenessListener {
-        /**
-         * Called after the first draw when the omnibox can receive touch events.
-         */
-        void onOmniboxInteractive();
-
-        /**
-         * Called when the native libraries are loaded and listeners with native components
-         * have been initialized.
-         */
-        void onOmniboxFullyFunctional();
-
-        /**
-         * Called when the omnibox is focused.
-         */
-        void onOmniboxFocused();
-    }
-
     /**
      * Class to handle input from a hardware keyboard when the focus is on the URL bar. In
      * particular, handle navigating the suggestions list from the keyboard.
@@ -867,7 +846,6 @@ public class LocationBarLayout extends FrameLayout
         }
         mDeferredNativeRunnables.clear();
 
-        mUrlBar.onNativeLibraryReady();
         updateVisualsForState();
     }
 

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

@@ -36,11 +36,9 @@ import android.widget.TextView;
 import org.chromium.base.ApiCompatibilityUtils;
 import org.chromium.base.Log;
 import org.chromium.base.SysUtils;
-import org.chromium.base.VisibleForTesting;
 import org.chromium.chrome.R;
 import org.chromium.chrome.browser.WindowDelegate;
 import org.chromium.chrome.browser.metrics.StartupMetrics;
-import org.chromium.chrome.browser.omnibox.LocationBarLayout.OmniboxLivenessListener;
 import org.chromium.chrome.browser.tab.Tab;
 import org.chromium.chrome.browser.util.UrlUtilities;
 import org.chromium.content.browser.ContentViewCore;
@@ -114,8 +112,6 @@ public class UrlBar extends AutocompleteEditText {
 
     private Boolean mUseDarkColors;
 
-    private OmniboxLivenessListener mOmniboxLivenessListener;
-
     private long mFirstFocusTimeMs;
 
     // Used as a hint to indicate the text may contain an ellipsize span.  This will be true if an
@@ -308,7 +304,6 @@ public class UrlBar extends AutocompleteEditText {
 
         if (focused && mFirstFocusTimeMs == 0) {
             mFirstFocusTimeMs = SystemClock.elapsedRealtime();
-            if (mOmniboxLivenessListener != null) mOmniboxLivenessListener.onOmniboxFocused();
         }
 
         if (focused) {
@@ -453,11 +448,6 @@ public class UrlBar extends AutocompleteEditText {
             // touches etc. activate it.
             setFocusable(mAllowFocus);
             setFocusableInTouchMode(mAllowFocus);
-
-            // The URL bar will now react correctly to a focus change event
-            if (mOmniboxLivenessListener != null) {
-                mOmniboxLivenessListener.onOmniboxInteractive();
-            }
         }
 
         // Notify listeners if the URL's direction has changed.
@@ -518,20 +508,6 @@ public class UrlBar extends AutocompleteEditText {
         mUrlBarDelegate = delegate;
     }
 
-    /**
-     * Set {@link OmniboxLivenessListener} to be used for receiving interaction related messages
-     * during startup.
-     * @param listener The listener to use for sending the messages.
-     */
-    @VisibleForTesting
-    public void setOmniboxLivenessListener(OmniboxLivenessListener listener) {
-        mOmniboxLivenessListener = listener;
-    }
-
-    public void onNativeLibraryReady() {
-        if (mOmniboxLivenessListener != null) mOmniboxLivenessListener.onOmniboxFullyFunctional();
-    }
-
     @Override
     public boolean onTextContextMenuItem(int id) {
         if (id == android.R.id.paste) {