Add TestWebContentsFactory to content/public/test

ui/aura/env.h

 // 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.
 
 #ifndef UI_AURA_ENV_H_
 #define UI_AURA_ENV_H_
 
 #include "base/memory/scoped_ptr.h"
 #include "base/observer_list.h"
 #include "base/supports_user_data.h"
@@ skipping 20 matching lines @@
 // A singleton object that tracks general state within Aura.
 class AURA_EXPORT Env : public ui::EventTarget, public base::SupportsUserData {
  public:
   // Creates the single Env instance (if it hasn't been created yet). If
   // |create_event_source| is true a PlatformEventSource is created.
   // TODO(sky): nuke |create_event_source|. Only necessary while mojo's
   // nativeviewportservice lives in the same process as the viewmanager.
   static void CreateInstance(bool create_event_source);
   static Env* GetInstance();
   static void DeleteInstance();
+  static bool HasInstanceForTesting();

[sky, 2015/02/28 17:30:46]

I would rather have a GetInstanceDontCreate type of function.

[Devlin, 2015/03/02 17:27:12]

Done.

 
   void AddObserver(EnvObserver* observer);
   void RemoveObserver(EnvObserver* observer);
 
   int mouse_button_flags() const { return mouse_button_flags_; }
   void set_mouse_button_flags(int mouse_button_flags) {
     mouse_button_flags_ = mouse_button_flags;
   }
   // Returns true if a mouse button is down. This may query the native OS,
   // otherwise it uses |mouse_button_flags_|.
@@ skipping 52 matching lines @@
   scoped_ptr<ui::PlatformEventSource> event_source_;
 
   ui::ContextFactory* context_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(Env);
 };
 
 }  // namespace aura
 
 #endif  // UI_AURA_ENV_H_