UI Updates for OSX App Launcher: truncate titles, window shadow.

ui/app_list/cocoa/app_list_window_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/app_list_window_controller.h"
 
 #include "ui/app_list/app_list_view_delegate.h"
 #import "ui/app_list/cocoa/app_list_view_controller.h"
 #import "ui/app_list/cocoa/apps_grid_controller.h"
 #include "ui/base/cocoa/window_size_constants.h"
@@ skipping 19 matching lines @@
 
 - (id)init {
   scoped_nsobject<NSWindow> controlledWindow(
       [[AppListWindow alloc] initWithContentRect:ui::kWindowSizeDeterminedLater
                                        styleMask:NSBorderlessWindowMask
                                          backing:NSBackingStoreBuffered
                                            defer:NO]);
   [controlledWindow setReleasedWhenClosed:NO];
   [controlledWindow setBackgroundColor:[NSColor clearColor]];
   [controlledWindow setOpaque:NO];
-  [controlledWindow setHasShadow:NO];
+  [controlledWindow setHasShadow:YES];
 
   if ((self = [super initWithWindow:controlledWindow])) {
     appListViewController_.reset([[AppListViewController alloc] init]);
     [[self window] setFrame:[[appListViewController_ view] bounds]
                     display:NO];
     [[self window] setContentView:[appListViewController_ view]];
     [[self window] setDelegate:self];
   }
   return self;
 }
 
 - (AppListViewController*)appListViewController {
   return appListViewController_;
 }
 
 - (void)windowDidResignMain:(NSNotification*)notification {
   if ([appListViewController_ delegate])
     [appListViewController_ delegate]->Dismiss();
 }
 
 @end