Fix getting initially active trials with shared memory.

content/public/test/render_view_test.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 "content/public/test/render_view_test.h"
 
 #include <stddef.h>
 
 #include <cctype>
 
 #include "base/location.h"
 #include "base/memory/ptr_util.h"
+#include "base/metrics/field_trial.h"
 #include "base/run_loop.h"
 #include "base/single_thread_task_runner.h"
 #include "build/build_config.h"
 #include "content/app/mojo/mojo_init.h"
 #include "content/common/dom_storage/dom_storage_types.h"
 #include "content/common/frame_messages.h"
 #include "content/common/input_messages.h"
 #include "content/common/renderer.mojom.h"
 #include "content/common/resize_params.h"
 #include "content/common/site_isolation_policy.h"
 #include "content/common/view_messages.h"
 #include "content/public/browser/content_browser_client.h"
 #include "content/public/browser/native_web_keyboard_event.h"
 #include "content/public/common/content_client.h"
+#include "content/public/common/content_switches.h"
 #include "content/public/common/renderer_preferences.h"
 #include "content/public/renderer/content_renderer_client.h"
 #include "content/public/test/frame_load_waiter.h"
 #include "content/renderer/history_controller.h"
 #include "content/renderer/history_serialization.h"
 #include "content/renderer/render_thread_impl.h"
 #include "content/renderer/render_view_impl.h"
 #include "content/renderer/renderer_blink_platform_impl.h"
 #include "content/renderer/renderer_main_platform_delegate.h"
 #include "content/test/fake_compositor_dependencies.h"
@@ skipping 225 matching lines @@
   render_thread_->set_routing_id(kRouteId);
   render_thread_->set_new_window_routing_id(kNewWindowRouteId);
   render_thread_->set_new_window_main_frame_widget_routing_id(
       kNewFrameWidgetRouteId);
   render_thread_->set_new_frame_routing_id(kNewFrameRouteId);
 
 #if defined(OS_MACOSX)
   autorelease_pool_.reset(new base::mac::ScopedNSAutoreleasePool());
 #endif
   command_line_.reset(new base::CommandLine(base::CommandLine::NO_PROGRAM));
+  field_trial_list_.reset(new base::FieldTrialList(nullptr));
+  base::FieldTrialList::CreateTrialsFromCommandLine(
+      *command_line_, switches::kFieldTrialHandle);
   params_.reset(new MainFunctionParams(*command_line_));
   platform_.reset(new RendererMainPlatformDelegate(*params_));
   platform_->PlatformInitialize();
 
   // Setting flags and really doing anything with WebKit is fairly fragile and
   // hacky, but this is the world we live in...
   std::string flags("--expose-gc");
   v8::V8::SetFlagsFromString(flags.c_str(), static_cast<int>(flags.size()));
 
   // Ensure that we register any necessary schemes when initializing WebKit,
@@ skipping 376 matching lines @@
       static_cast<TestRenderFrame*>(impl->GetMainRenderFrame());
   frame->Navigate(common_params, StartNavigationParams(), request_params);
 
   // The load actually happens asynchronously, so we pump messages to process
   // the pending continuation.
   FrameLoadWaiter(frame).Wait();
   view_->GetWebView()->updateAllLifecyclePhases();
 }
 
 }  // namespace content