Adds an integration test for uninstalling app list search results.

ui/app_list/cocoa/apps_search_box_controller.mm

 // Copyright 2013 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.
 
 #import "ui/app_list/cocoa/apps_search_box_controller.h"
 
 #include "base/mac/foundation_util.h"
 #include "base/mac/mac_util.h"
 #include "base/strings/sys_string_conversions.h"
 #include "grit/ui_resources.h"
@@ skipping 92 matching lines @@
 
 void SearchBoxModelObserverBridge::SelectionModelChanged() {
   // TODO(tapted): See if anything needs to be done here for RTL.
 }
 
 void SearchBoxModelObserverBridge::TextChanged() {
   // Currently the model text is only changed when we are not observing it, or
   // it is changed in tests to establish a particular state.
   [[parent_ searchTextField]
       setStringValue:base::SysUTF16ToNSString(GetModel()->text())];
+  [[parent_ delegate] modelTextDidChange];
 }
 
 }  // namespace app_list
 
 @interface SearchTextField : NSTextField {
  @private
   NSRect textFrameInset_;
 }
 
 @property(readonly, nonatomic) NSRect textFrameInset;
@@ skipping 273 matching lines @@
   NSPoint anchorPoint = [[menuButton window] convertBaseToScreen:NSMakePoint(
       NSMaxX(anchorRect) + kMenuXOffsetFromButton,
       NSMinY(anchorRect) - kMenuYOffsetFromButton)];
   NSRect confinementRect = [[menuButton window] frame];
   confinementRect.size = NSMakeSize(anchorPoint.x - NSMinX(confinementRect),
                                     anchorPoint.y - NSMinY(confinementRect));
   return confinementRect;
 }
 
 @end