Introduce ui_test_utils::FocusView and de-flake OmniboxViewTest.BeginningShownAfterBlur

chrome/test/base/interactive_test_utils_mac.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.
 
 #include "chrome/test/base/interactive_test_utils.h"
 
 #include <Carbon/Carbon.h>
 #import <Cocoa/Cocoa.h>
 
 #include "base/bind.h"
@@ skipping 59 matching lines @@
   DCHECK(window);
   NSView* view = view_id_util::GetView(window, vid);
   DCHECK(view);
   MoveMouseToNSViewCenterAndPress(
       view,
       ui_controls::LEFT,
       ui_controls::DOWN | ui_controls::UP,
       base::MessageLoop::QuitClosure());
   content::RunMessageLoop();
 }
+void FocusView(const Browser* browser, ViewID vid) {

[msw, 2014/09/03 18:21:24]

nit: blank line above.

[tapted, 2014/09/05 13:01:13]

Done.

+   NSWindow* window = browser->window()->GetNativeWindow();
+   DCHECK(window);
+   NSView* view = view_id_util::GetView(window, vid);
+   DCHECK(view);
+   [window makeFirstResponder:view];
+ }
 
 void HideNativeWindow(gfx::NativeWindow window) {
   [window orderOut:nil];
 }
 
 bool ShowAndFocusNativeWindow(gfx::NativeWindow window) {
   // Make sure an unbundled program can get the input focus.
   ProcessSerialNumber psn = { 0, kCurrentProcess };
   TransformProcessType(&psn,kProcessTransformToForegroundApplication);
   SetFrontProcess(&psn);
 
   [window makeKeyAndOrderFront:nil];
   return true;
 }
 
 }  // namespace ui_test_utils