Remove unused ObjectAnimator from LocationBarPhone

BUG=

Change-Id: I50da845bc3da1e1d4b19fa6298ee0d1a1dac3b46
Reviewed-on: https://chromium-review.googlesource.com/c/1292522Reviewed-by: Matthew Jones <mdjones@chromium.org>
Commit-Queue: Theresa <twellington@chromium.org>
Cr-Commit-Position: refs/heads/master@{#601337}

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

@@ -166,11 +166,6 @@ public interface LocationBar extends UrlBarDelegate {
      */
     void setDefaultTextEditActionModeCallback(ToolbarActionModeCallback callback);
 
-    /**
-     * @return Whether suggestions are being shown for the location bar.
-     */
-    boolean isSuggestionsListShown();
-
     /**
      * @return The margin to be applied to the URL bar based on the buttons currently visible next
      *         to it, used to avoid text overlapping the buttons and vice versa.

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

@@ -212,11 +212,6 @@ public class LocationBarLayout extends FrameLayout
         mVoiceRecognitionHandler = new LocationBarVoiceRecognitionHandler(this);
     }
 
-    @Override
-    public boolean isSuggestionsListShown() {
-        return mAutocompleteCoordinator.isSuggestionsListShown();
-    }
-
     @Override
     protected void onFinishInflate() {
         super.onFinishInflate();

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

@@ -4,7 +4,6 @@
 
 package org.chromium.chrome.browser.omnibox;
 
-import android.animation.ObjectAnimator;
 import android.content.Context;
 import android.graphics.Canvas;
 import android.graphics.Rect;
@@ -29,7 +28,6 @@ public class LocationBarPhone extends LocationBarLayout {
     private View mFirstVisibleFocusedView;
 
     private Runnable mKeyboardResizeModeTask;
-    private ObjectAnimator mOmniboxBackgroundAnimator;
 
     /**
      * Constructor used to inflate from XML.
@@ -80,10 +78,6 @@ public class LocationBarPhone extends LocationBarLayout {
 
     @Override
     public void onUrlFocusChange(boolean hasFocus) {
-        if (mOmniboxBackgroundAnimator != null && mOmniboxBackgroundAnimator.isRunning()) {
-            mOmniboxBackgroundAnimator.cancel();
-            mOmniboxBackgroundAnimator = null;
-        }
         if (hasFocus) {
             // Remove the focus of this view once the URL field has taken focus as this view no
             // longer needs it.

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

@@ -827,12 +827,6 @@ public class CustomTabToolbar
     @Override
     protected void setMenuButtonHighlightDrawable(boolean highlighting) {}
 
-    @Override
-    public boolean isSuggestionsListShown() {
-        // Custom tabs do not support suggestions.
-        return false;
-    }
-
     @Override
     public int getUrlContainerMarginEnd() {
         return 0;