Fix getting initially active trials with shared memory.

content/public/test/render_view_test.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 CONTENT_PUBLIC_TEST_RENDER_VIEW_TEST_H_
 #define CONTENT_PUBLIC_TEST_RENDER_VIEW_TEST_H_
 
 #include <stdint.h>
 
 #include <memory>
 #include <string>
 
 #include "base/command_line.h"
 #include "base/message_loop/message_loop.h"
 #include "base/strings/string16.h"
 #include "base/test/test_io_thread.h"
 #include "build/build_config.h"
 #include "content/public/browser/native_web_keyboard_event.h"
 #include "content/public/common/main_function_params.h"
 #include "content/public/common/page_state.h"
 #include "content/public/test/mock_render_thread.h"
 #include "mojo/edk/test/scoped_ipc_support.h"
 #include "testing/gtest/include/gtest/gtest.h"
 #include "third_party/WebKit/public/platform/Platform.h"
 #include "third_party/WebKit/public/web/WebFrame.h"
 #include "third_party/WebKit/public/web/WebLeakDetector.h"
 
+namespace base {
+class FieldTrialList;
+}
+
 namespace blink {
 namespace scheduler {
 class RendererScheduler;
 }
 class WebInputElement;
 class WebWidget;
 }
 
 namespace gfx {
 class Rect;
@@ skipping 156 matching lines @@
   RendererBlinkPlatformImplTestOverride blink_platform_impl_;
   std::unique_ptr<ContentClient> content_client_;
   std::unique_ptr<ContentBrowserClient> content_browser_client_;
   std::unique_ptr<ContentRendererClient> content_renderer_client_;
   std::unique_ptr<MockRenderThread> render_thread_;
 
   // Used to setup the process so renderers can run.
   std::unique_ptr<RendererMainPlatformDelegate> platform_;
   std::unique_ptr<MainFunctionParams> params_;
   std::unique_ptr<base::CommandLine> command_line_;
+  std::unique_ptr<base::FieldTrialList> field_trial_list_;
 
   // For Mojo.
   std::unique_ptr<base::TestIOThread> test_io_thread_;
   std::unique_ptr<mojo::edk::test::ScopedIPCSupport> ipc_support_;
 
 #if defined(OS_MACOSX)
   std::unique_ptr<base::mac::ScopedNSAutoreleasePool> autorelease_pool_;
 #endif
 
  private:
   void GoToOffset(int offset, const GURL& url, const PageState& state);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_PUBLIC_TEST_RENDER_VIEW_TEST_H_