app_list: Initialize more views in the initializer list.

ui/app_list/search_result_view.cc

 // Copyright (c) 2012 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.
 
 #include "ui/app_list/search_result_view.h"
 
 #include "ui/app_list/search_result.h"
 #include "ui/app_list/search_result_list_view.h"
 #include "ui/gfx/canvas.h"
 #include "ui/gfx/font.h"
@@ skipping 75 matching lines @@
 namespace app_list {
 
 // static
 const char SearchResultView::kViewClassName[] = "ui/app_list/SearchResultView";
 
 SearchResultView::SearchResultView(SearchResultListView* list_view,
                                    views::ButtonListener* listener)
     : views::CustomButton(listener),
       result_(NULL),
       list_view_(list_view),
-      icon_(NULL) {
-  icon_ = new IconView;
+      icon_(new IconView) {
   AddChildView(icon_);
 }
 
 SearchResultView::~SearchResultView() {
   ClearResultNoRepaint();
 }
 
 void SearchResultView::SetResult(SearchResult* result) {
   ClearResultNoRepaint();
 
@@ skipping 110 matching lines @@
   // Scales down big icons but leave small ones unchanged.
   if (image.width() > kIconDimension || image.height() > kIconDimension)
     icon_->SetImageSize(gfx::Size(kIconDimension, kIconDimension));
   else
     icon_->ResetImageSize();
 
   icon_->SetImage(image);
 }
 
 }  // namespace app_list