Interpret '?' and Ctrl-K or Ctrl-E as putting omnibox in keyword search mode for Default Search Pro…

chrome/browser/ui/cocoa/omnibox/omnibox_view_mac_browsertest.mm

 // 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.
 
 #import "chrome/browser/ui/cocoa/omnibox/omnibox_view_mac.h"
 
 #include "base/strings/sys_string_conversions.h"
 #include "base/strings/utf_string_conversions.h"
 #include "chrome/browser/ui/browser.h"
 #include "chrome/browser/ui/browser_window.h"
 #import "chrome/browser/ui/cocoa/location_bar/autocomplete_text_field_cell.h"
 #include "chrome/browser/ui/location_bar/location_bar.h"
 #include "chrome/test/base/in_process_browser_test.h"
+#include "components/omnibox/browser/omnibox_edit_model.h"
 #include "ui/base/clipboard/clipboard_util_mac.h"
 
 class OmniboxViewMacBrowserTest : public InProcessBrowserTest {
  public:
   OmniboxViewMac* GetOmnibox() {
     return static_cast<OmniboxViewMac*>(
         browser()->window()->GetLocationBar()->GetOmniboxView());
   }
 };
 
@@ skipping 62 matching lines @@
   GetOmnibox()->CopyToPasteboard(pasteboard->get());
 
   // Check that the custom Pboard type is no longer present.
   EXPECT_FALSE([pasteboard->get()
       stringForType:ui::ClipboardUtil::UTIForPasteboardType(pboard_type)]);
 
   // Check that the contents of the omnibox were copied to the clipboard.
   pasteboard_string = [pasteboard->get() stringForType:NSPasteboardTypeString];
   EXPECT_EQ(text, pasteboard_string.UTF8String);
 }