Move FieldTrialRecorder mojom to content

content/renderer/render_thread_impl.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_RENDERER_RENDER_THREAD_IMPL_H_
 #define CONTENT_RENDERER_RENDER_THREAD_IMPL_H_
 
 #include <stddef.h>
 #include <stdint.h>
 
 #include <memory>
 #include <set>
 #include <string>
 #include <vector>
 
 #include "base/cancelable_callback.h"
 #include "base/macros.h"
 #include "base/memory/memory_coordinator_client.h"
 #include "base/memory/memory_pressure_listener.h"
 #include "base/memory/ref_counted.h"
+#include "base/metrics/field_trial.h"
 #include "base/metrics/user_metrics_action.h"
 #include "base/observer_list.h"
 #include "base/strings/string16.h"
 #include "base/threading/thread_checker.h"
 #include "base/timer/timer.h"
 #include "build/build_config.h"
+#include "components/variations/child_process_field_trial_syncer.h"
 #include "content/child/child_thread_impl.h"
 #include "content/child/memory/child_memory_coordinator_impl.h"
 #include "content/common/associated_interface_registry_impl.h"
 #include "content/common/content_export.h"
 #include "content/common/frame.mojom.h"
 #include "content/common/frame_replication_state.h"
 #include "content/common/render_frame_message_filter.mojom.h"
 #include "content/common/render_message_filter.mojom.h"
 #include "content/common/renderer.mojom.h"
 #include "content/common/storage_partition_service.mojom.h"
@@ skipping 114 matching lines @@
 //
 // Most of the communication occurs in the form of IPC messages.  They are
 // routed to the RenderThread according to the routing IDs of the messages.
 // The routing IDs correspond to RenderView instances.
 class CONTENT_EXPORT RenderThreadImpl
     : public RenderThread,
       public ChildThreadImpl,
       public blink::scheduler::RendererScheduler::RAILModeObserver,
       public ChildMemoryCoordinatorDelegate,
       public base::MemoryCoordinatorClient,
+      public base::FieldTrialList::Observer,
       NON_EXPORTED_BASE(public mojom::Renderer),
       NON_EXPORTED_BASE(public CompositorDependencies) {
  public:
   static RenderThreadImpl* Create(const InProcessChildThreadParams& params);
   static RenderThreadImpl* Create(
       std::unique_ptr<base::MessageLoop> main_message_loop,
       std::unique_ptr<blink::scheduler::RendererScheduler> renderer_scheduler);
   static RenderThreadImpl* current();
   static mojom::RenderMessageFilter* current_render_message_filter();
   static const scoped_refptr<mojom::ThreadSafeRenderMessageFilterAssociatedPtr>&
@@ skipping 33 matching lines @@
   void IdleHandler() override;
   int64_t GetIdleNotificationDelayInMs() const override;
   void SetIdleNotificationDelayInMs(
       int64_t idle_notification_delay_in_ms) override;
   int PostTaskToAllWebWorkers(const base::Closure& closure) override;
   bool ResolveProxy(const GURL& url, std::string* proxy_list) override;
   base::WaitableEvent* GetShutdownEvent() override;
   int32_t GetClientId() override;
   scoped_refptr<base::SingleThreadTaskRunner> GetTimerTaskRunner() override;
   scoped_refptr<base::SingleThreadTaskRunner> GetLoadingTaskRunner() override;
+  void SetFieldTrialGroup(const std::string& trial_name,
+                          const std::string& group_name) override;
 
   // IPC::Listener implementation via ChildThreadImpl:
   void OnAssociatedInterfaceRequest(
       const std::string& name,
       mojo::ScopedInterfaceEndpointHandle handle) override;
 
   // CompositorDependencies implementation.
   bool IsGpuRasterizationForced() override;
   bool IsAsyncWorkerContextEnabled() override;
   int GetGpuRasterizationMSAASampleCount() override;
@@ skipping 309 matching lines @@
       const scoped_refptr<base::SingleThreadTaskRunner>& resource_task_queue);
 
   void InitializeCompositorThread();
 
   void InitializeWebKit(
       const scoped_refptr<base::SingleThreadTaskRunner>& resource_task_queue);
 
   void OnTransferBitmap(const SkBitmap& bitmap, int resource_id);
   void OnGetAccessibilityTree();
 
+  // base::FieldTrialList::Observer:
+  void OnFieldTrialGroupFinalized(const std::string& trial_name,
+                                  const std::string& group_name) override;
+
   // mojom::Renderer:
   void CreateView(mojom::CreateViewParamsPtr params) override;
   void CreateFrame(mojom::CreateFrameParamsPtr params) override;
   void CreateFrameProxy(int32_t routing_id,
                         int32_t render_view_routing_id,
                         int32_t opener_routing_id,
                         int32_t parent_routing_id,
                         const FrameReplicationState& replicated_state) override;
   void OnNetworkConnectionChanged(
       net::NetworkChangeNotifier::ConnectionType type,
@@ skipping 214 matching lines @@
   scoped_refptr<mojom::ThreadSafeRenderMessageFilterAssociatedPtr>
       thread_safe_render_message_filter_;
 
   base::CancelableClosure record_purge_suspend_metric_closure_;
   RendererMemoryMetrics purge_and_suspend_memory_metrics_;
   base::CancelableClosure record_purge_suspend_growth_metric_closure_;
   bool needs_to_record_first_active_paint_;
 
   int32_t client_id_;
 
+  variations::ChildProcessFieldTrialSyncer field_trial_syncer_;
+
   DISALLOW_COPY_AND_ASSIGN(RenderThreadImpl);
 };
 
 #if defined(COMPILER_MSVC)
 #pragma warning(pop)
 #endif
 
 }  // namespace content
 
 #endif  // CONTENT_RENDERER_RENDER_THREAD_IMPL_H_