Implement frame attribution (FrameBlamer)

components/scheduler/renderer/web_frame_scheduler_impl.h

Index: components/scheduler/renderer/web_frame_scheduler_impl.h
diff --git a/components/scheduler/renderer/web_frame_scheduler_impl.h b/components/scheduler/renderer/web_frame_scheduler_impl.h
index 6d088f36572b18a42faa7f8a963c1d8b536b5663..e038dcfb12f78c8fdc390cb78e523f6fb9ceee94 100644
--- a/components/scheduler/renderer/web_frame_scheduler_impl.h
+++ b/components/scheduler/renderer/web_frame_scheduler_impl.h
@@ -8,18 +8,22 @@
 #include "base/macros.h"
 #include "base/memory/ref_counted.h"
 #include "base/memory/scoped_ptr.h"
+#include "base/trace_event/trace_event.h"
 #include "components/scheduler/base/task_queue.h"
 #include "components/scheduler/scheduler_export.h"
 #include "third_party/WebKit/public/platform/WebFrameScheduler.h"
-#include "third_party/WebKit/public/platform/WebSecurityOrigin.h"
 
 namespace base {
+namespace trace_event {
+class BlameContext;
+}  // namespace trace_event
 class SingleThreadTaskRunner;
 }  // namespace base
 
 namespace scheduler {
 
 class AutoAdvancingVirtualTimeDomain;
+class FrameBlameContext;
 class RendererSchedulerImpl;
 class TaskQueue;
 class WebTaskRunnerImpl;
@@ -28,7 +32,8 @@ class WebViewSchedulerImpl;
 class SCHEDULER_EXPORT WebFrameSchedulerImpl : public blink::WebFrameScheduler {
  public:
   WebFrameSchedulerImpl(RendererSchedulerImpl* renderer_scheduler,
-                        WebViewSchedulerImpl* parent_web_view_scheduler);
+                        WebViewSchedulerImpl* parent_web_view_scheduler,
+                        base::trace_event::BlameContext* blame_context);
 
   ~WebFrameSchedulerImpl() override;
 
@@ -37,7 +42,6 @@ class SCHEDULER_EXPORT WebFrameSchedulerImpl : public blink::WebFrameScheduler {
   void setPageVisible(bool page_visible) override;
   blink::WebTaskRunner* loadingTaskRunner() override;
   blink::WebTaskRunner* timerTaskRunner() override;
-  void setFrameOrigin(const blink::WebSecurityOrigin& origin) override;
 
   void OnVirtualTimeDomainChanged();
 
@@ -53,8 +57,8 @@ class SCHEDULER_EXPORT WebFrameSchedulerImpl : public blink::WebFrameScheduler {
   scoped_ptr<WebTaskRunnerImpl> timer_web_task_runner_;
   RendererSchedulerImpl* renderer_scheduler_;            // NOT OWNED
   WebViewSchedulerImpl* parent_web_view_scheduler_;      // NOT OWNED
+  base::trace_event::BlameContext* blame_context_;       // NOT OWNED
   TaskQueue::PumpPolicy virtual_time_pump_policy_;
-  blink::WebSecurityOrigin origin_;
   bool frame_visible_;
   bool page_visible_;