[Bookmarks] Refactor search view to use SelectableListLayout paradigm

chrome/android/java/src/org/chromium/chrome/browser/bookmarks/BookmarkRow.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.bookmarks;
 
 import android.content.Context;
 import android.util.AttributeSet;
 import android.view.View;
 import android.view.ViewGroup;
@@ skipping 172 matching lines @@
             mMoreIcon.setVisibility(VISIBLE);
             mMoreIcon.setOnClickListener(new OnClickListener() {
                 @Override
                 public void onClick(View view) {
                     showMenu(view);
                 }
             });
         }
 
         // TODO(twellington): remove this after the bookmarks 720dp layout is restyled
-        //                    to match the < 720dp style and BookmarkSearchView is refactored.
-        //                    Currently BookmarkSearchRow extends BookmarkRow but is not selectable.
-        mShouldUseListItemBackground =
-                isSelectable() && !DeviceFormFactor.isLargeTablet(getContext());
+        //                    to match the < 720dp style.
+        mShouldUseListItemBackground = !DeviceFormFactor.isLargeTablet(getContext());
 
         // TODO(twellington): Replace this with a MarginResizer after the bookmarks layout is width
         //                    constrained to 600dp.
         if (mShouldUseListItemBackground) {
             setLateralMarginsForDefaultDisplay(findViewById(R.id.bookmark_row));
         }
     }
 
     @Override
     protected void onAttachedToWindow() {
@@ skipping 49 matching lines @@
         mDelegate = delegate;
         if (mIsAttachedToWindow) initialize();
     }
 
     @Override
     public void onDestroy() {
         cleanup();
     }
 
     @Override
-    public void onFolderStateSet(BookmarkId folder) {
-    }
+    public void onFolderStateSet(BookmarkId folder) {}
+
+    @Override
+    public void onSearchStateSet() {}
 
     @Override
     public void setBackgroundResourceForGroupPosition(
             boolean isFirstInGroup, boolean isLastInGroup) {
         if (!mShouldUseListItemBackground) return;
         super.setBackgroundResourceForGroupPosition(isFirstInGroup, isLastInGroup);
     }
 }