Move and rename TaskTimeTracker to public interface exposed to WebThread, use in WebPerf Agent.

third_party/WebKit/Source/core/inspector/InspectorWebPerfAgent.h

Index: third_party/WebKit/Source/core/inspector/InspectorWebPerfAgent.h
diff --git a/third_party/WebKit/Source/core/inspector/InspectorWebPerfAgent.h b/third_party/WebKit/Source/core/inspector/InspectorWebPerfAgent.h
index 09a7094e7b0163b262447cf08f6738939ad7d598..1bb6192e16b4ca42bb7467c085e8eb805d3f4cc0 100644
--- a/third_party/WebKit/Source/core/inspector/InspectorWebPerfAgent.h
+++ b/third_party/WebKit/Source/core/inspector/InspectorWebPerfAgent.h
@@ -7,6 +7,8 @@
 
 #include "core/CoreExport.h"
 #include "platform/heap/Handle.h"
+#include "public/platform/WebThread.h"
+#include "public/platform/scheduler/base/task_time_tracker.h"
 
 namespace blink {
 
@@ -15,7 +17,10 @@ class LocalFrame;
 class InspectedFrames;
 
 // Inspector Agent for Web Performance APIs
-class CORE_EXPORT InspectorWebPerfAgent final : public GarbageCollectedFinalized<InspectorWebPerfAgent> {
+class CORE_EXPORT InspectorWebPerfAgent final
+    : public GarbageCollectedFinalized<InspectorWebPerfAgent>
+    ,  public WebThread::TaskObserver
+    ,  public scheduler::TaskTimeTracker {
     WTF_MAKE_NONCOPYABLE(InspectorWebPerfAgent);
 public:
     InspectorWebPerfAgent(InspectedFrames*);

[alph, 2016/08/22 23:51:07]

nit: you used to add explicit here. curious why is it gone?

[panickercorp, 2016/08/23 17:43:31]

Oops, fixed.

@@ -25,6 +30,13 @@ public:
     void willExecuteScript(ExecutionContext*);
     void didExecuteScript();
 
+    // WebThread::TaskTimeObserver implementation.

[Sami, 2016/08/23 10:34:59]

s/Time//

[panickercorp, 2016/08/23 17:43:31]

Done.

+    void willProcessTask() override;
+    void didProcessTask() override;
+
+    // scheduler::TaskTimeTracker implementation
+    void ReportTaskTime(double startTime, double endTime) override;
+
 private:
     Member<InspectedFrames> m_inspectedFrames;
 };