Explicit initialization of aura::Env for browser shell.

content/browser/renderer_host/render_widget_host_unittest.cc

 // 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 "base/basictypes.h"
 #include "base/bind.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/memory/shared_memory.h"
 #include "base/timer/timer.h"
 #include "content/browser/browser_thread_impl.h"
@@ skipping 605 matching lines @@
     return handle_mouse_event_;
   }
 
  protected:
   // testing::Test
   virtual void SetUp() {
     browser_context_.reset(new TestBrowserContext());
     delegate_.reset(new MockRenderWidgetHostDelegate());
     process_ = new RenderWidgetHostProcess(browser_context_.get());
 #if defined(USE_AURA)
+    aura::Env::CreateInstance();
     screen_.reset(aura::TestScreen::Create());
     gfx::Screen::SetScreenInstance(gfx::SCREEN_TYPE_NATIVE, screen_.get());
 #endif
     host_.reset(
         new MockRenderWidgetHost(delegate_.get(), process_, MSG_ROUTING_NONE));
     view_.reset(new TestView(host_.get()));
     host_->SetView(view_.get());
     host_->Init();
   }
   virtual void TearDown() {
@@ skipping 1886 matching lines @@
 
 TEST_F(RenderWidgetHostTest, InputRouterReceivesHasTouchEventHandlers) {
   host_->SetupForInputRouterTest();
 
   host_->OnMessageReceived(ViewHostMsg_HasTouchEventHandlers(0, true));
 
   EXPECT_TRUE(host_->mock_input_router()->message_received_);
 }
 
 }  // namespace content