Move FieldTrialRecorder mojom to content

content/renderer/render_thread_impl.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/renderer/render_thread_impl.h"
 
 #include <algorithm>
 #include <limits>
 #include <map>
 #include <utility>
@@ skipping 52 matching lines @@
 #include "content/child/memory/child_memory_coordinator_impl.h"
 #include "content/child/resource_dispatcher.h"
 #include "content/child/resource_scheduling_filter.h"
 #include "content/child/runtime_features.h"
 #include "content/child/thread_safe_sender.h"
 #include "content/child/web_database_observer_impl.h"
 #include "content/child/worker_thread_registry.h"
 #include "content/common/child_process_messages.h"
 #include "content/common/content_constants_internal.h"
 #include "content/common/dom_storage/dom_storage_messages.h"
+#include "content/common/field_trial_recorder.mojom.h"
 #include "content/common/frame_messages.h"
 #include "content/common/frame_owner_properties.h"
 #include "content/common/render_process_messages.h"
 #include "content/common/resource_messages.h"
 #include "content/common/site_isolation_policy.h"
 #include "content/common/view_messages.h"
 #include "content/common/worker_messages.h"
 #include "content/public/common/content_constants.h"
 #include "content/public/common/content_features.h"
 #include "content/public/common/content_paths.h"
@@ skipping 488 matching lines @@
     std::unique_ptr<blink::scheduler::RendererScheduler> scheduler,
     const scoped_refptr<base::SingleThreadTaskRunner>& resource_task_queue)
     : ChildThreadImpl(Options::Builder()
                           .InBrowserProcess(params)
                           .AutoStartServiceManagerConnection(false)
                           .ConnectToBrowser(true)
                           .Build()),
       renderer_scheduler_(std::move(scheduler)),
       categorized_worker_pool_(new CategorizedWorkerPool()),
       renderer_binding_(this),
-      client_id_(1) {
+      client_id_(1),
+      field_trial_syncer_(this) {
   Init(resource_task_queue);
 }
 
 // When we run plugins in process, we actually run them on the render thread,
 // which means that we need to make the render thread pump UI events.
 RenderThreadImpl::RenderThreadImpl(
     std::unique_ptr<base::MessageLoop> main_message_loop,
     std::unique_ptr<blink::scheduler::RendererScheduler> scheduler)
     : ChildThreadImpl(Options::Builder()
                           .AutoStartServiceManagerConnection(false)
                           .ConnectToBrowser(true)
                           .Build()),
       renderer_scheduler_(std::move(scheduler)),
       main_message_loop_(std::move(main_message_loop)),
       categorized_worker_pool_(new CategorizedWorkerPool()),
       is_scroll_animator_enabled_(false),
       is_surface_synchronization_enabled_(false),
-      renderer_binding_(this) {
+      renderer_binding_(this),
+      field_trial_syncer_(this) {
   scoped_refptr<base::SingleThreadTaskRunner> test_task_counter;
   DCHECK(base::CommandLine::ForCurrentProcess()->HasSwitch(
       switches::kRendererClientId));
   base::StringToInt(base::CommandLine::ForCurrentProcess()->GetSwitchValueASCII(
                         switches::kRendererClientId),
                     &client_id_);
   Init(test_task_counter);
 }
 
 void RenderThreadImpl::Init(
@@ skipping 99 matching lines @@
           switches::kNoUseMusInRenderer)) {
     CreateRenderWidgetWindowTreeClientFactory(GetServiceManagerConnection());
   }
 #endif
 
   // Must be called before RenderThreadStarted() below.
   StartServiceManagerConnection();
 
   GetContentClient()->renderer()->RenderThreadStarted();
 
+  field_trial_syncer_.InitFieldTrialObserving(
+      *base::CommandLine::ForCurrentProcess(), switches::kSingleProcess);
+
   GetAssociatedInterfaceRegistry()->AddInterface(
       base::Bind(&RenderThreadImpl::OnRendererInterfaceRequest,
                  base::Unretained(this)));
 
   InitSkiaEventTracer();
   base::trace_event::MemoryDumpManager::GetInstance()->RegisterDumpProvider(
       skia::SkiaMemoryDumpProvider::GetInstance(), "Skia", nullptr);
 
   const base::CommandLine& command_line =
       *base::CommandLine::ForCurrentProcess();
@@ skipping 749 matching lines @@
 scoped_refptr<base::SingleThreadTaskRunner>
 RenderThreadImpl::GetTimerTaskRunner() {
   return renderer_scheduler_->TimerTaskRunner();
 }
 
 scoped_refptr<base::SingleThreadTaskRunner>
 RenderThreadImpl::GetLoadingTaskRunner() {
   return renderer_scheduler_->LoadingTaskRunner();
 }
 
+void RenderThreadImpl::SetFieldTrialGroup(const std::string& trial_name,
+                                          const std::string& group_name) {
+  field_trial_syncer_.OnSetFieldTrialGroup(trial_name, group_name);
+}
+
 void RenderThreadImpl::OnAssociatedInterfaceRequest(
     const std::string& name,
     mojo::ScopedInterfaceEndpointHandle handle) {
   if (associated_interfaces_.CanBindRequest(name))
     associated_interfaces_.BindRequest(name, std::move(handle));
   else
     ChildThreadImpl::OnAssociatedInterfaceRequest(name, std::move(handle));
 }
 
 bool RenderThreadImpl::IsGpuRasterizationForced() {
@@ skipping 538 matching lines @@
 }
 
 gpu::GpuChannelHost* RenderThreadImpl::GetGpuChannel() {
   if (!gpu_channel_)
     return nullptr;
   if (gpu_channel_->IsLost())
     return nullptr;
   return gpu_channel_.get();
 }
 
+void RenderThreadImpl::OnFieldTrialGroupFinalized(
+    const std::string& trial_name,
+    const std::string& group_name) {
+  content::mojom::FieldTrialRecorderPtr field_trial_recorder;

[jam, 2017/03/16 15:33:40]

nit: no content::

[chiniforooshan, 2017/03/16 17:35:46]

Done.

+  GetRemoteInterfaces()->GetInterface(&field_trial_recorder);
+  field_trial_recorder->FieldTrialActivated(trial_name);
+}
+
 void RenderThreadImpl::CreateView(mojom::CreateViewParamsPtr params) {
   CompositorDependencies* compositor_deps = this;
   is_scroll_animator_enabled_ = params->web_preferences.enable_scroll_animator;
   // When bringing in render_view, also bring in webkit's glue and jsbindings.
   RenderViewImpl::Create(compositor_deps, *params,
                          RenderWidget::ShowCallback());
 }
 
 void RenderThreadImpl::CreateFrame(mojom::CreateFrameParamsPtr params) {
   // Debug cases of https://crbug.com/626802.
@@ skipping 340 matching lines @@
   }
 }
 
 void RenderThreadImpl::OnRendererInterfaceRequest(
     mojom::RendererAssociatedRequest request) {
   DCHECK(!renderer_binding_.is_bound());
   renderer_binding_.Bind(std::move(request));
 }
 
 }  // namespace content