Offer User Timing in workers

Source/core/timing/PerformanceBase.cpp

Index: Source/core/timing/PerformanceBase.cpp
diff --git a/Source/core/timing/Performance.cpp b/Source/core/timing/PerformanceBase.cpp
similarity index 78%
copy from Source/core/timing/Performance.cpp
copy to Source/core/timing/PerformanceBase.cpp
index 2f4c7c2797280f1cd5c9b6b49a391d5d8ac51457..64aa79f34122e08432732127cfa94f4184382808 100644
--- a/Source/core/timing/Performance.cpp
+++ b/Source/core/timing/PerformanceBase.cpp
@@ -30,16 +30,13 @@
  */
 
 #include "config.h"
-#include "core/timing/Performance.h"
+#include "core/timing/PerformanceBase.h"
 
 #include "core/dom/Document.h"
 #include "core/events/Event.h"
-#include "core/frame/LocalFrame.h"
-#include "core/loader/DocumentLoader.h"
 #include "core/timing/PerformanceCompositeTiming.h"
 #include "core/timing/PerformanceRenderTiming.h"
 #include "core/timing/PerformanceResourceTiming.h"
-#include "core/timing/PerformanceTiming.h"
 #include "core/timing/PerformanceUserTiming.h"
 #include "core/timing/ResourceTimingInfo.h"
 #include "platform/weborigin/SecurityOrigin.h"
@@ -50,55 +47,29 @@ namespace blink {
 static const size_t defaultResourceTimingBufferSize = 150;
 static const size_t defaultFrameTimingBufferSize = 150;
 
-Performance::Performance(LocalFrame* frame)
-    : DOMWindowProperty(frame)
-    , m_frameTimingBufferSize(defaultFrameTimingBufferSize)
+PerformanceBase::PerformanceBase(double timeOrigin)
+    : m_frameTimingBufferSize(defaultFrameTimingBufferSize)
     , m_resourceTimingBufferSize(defaultResourceTimingBufferSize)
-    , m_referenceTime(frame && frame->host() ? frame->document()->loader()->timing().referenceMonotonicTime() : 0.0)
+    , m_timeOrigin(timeOrigin)
     , m_userTiming(nullptr)
 {
 }
 
-Performance::~Performance()
+PerformanceBase::~PerformanceBase()
 {
 }
 
-const AtomicString& Performance::interfaceName() const
+const AtomicString& PerformanceBase::interfaceName() const
 {
     return EventTargetNames::Performance;
 }
 
-ExecutionContext* Performance::executionContext() const
+PerformanceTiming* PerformanceBase::timing() const
 {
-    if (!frame())
-        return nullptr;
-    return frame()->document();
+    return nullptr;
 }
 
-MemoryInfo* Performance::memory()
-{
-    if (!m_memoryInfo)
-        m_memoryInfo = MemoryInfo::create();
-    return m_memoryInfo.get();
-}
-
-PerformanceNavigation* Performance::navigation() const
-{
-    if (!m_navigation)
-        m_navigation = PerformanceNavigation::create(m_frame);
-
-    return m_navigation.get();
-}
-
-PerformanceTiming* Performance::timing() const
-{
-    if (!m_timing)
-        m_timing = PerformanceTiming::create(m_frame);
-
-    return m_timing.get();
-}
-
-PerformanceEntryVector Performance::getEntries() const
+PerformanceEntryVector PerformanceBase::getEntries() const
 {
     PerformanceEntryVector entries;
 
@@ -114,7 +85,7 @@ PerformanceEntryVector Performance::getEntries() const
     return entries;
 }
 
-PerformanceEntryVector Performance::getEntriesByType(const String& entryType)
+PerformanceEntryVector PerformanceBase::getEntriesByType(const String& entryType)
 {
     PerformanceEntryVector entries;
 
@@ -143,7 +114,7 @@ PerformanceEntryVector Performance::getEntriesByType(const String& entryType)
     return entries;
 }
 
-PerformanceEntryVector Performance::getEntriesByName(const String& name, const String& entryType)
+PerformanceEntryVector PerformanceBase::getEntriesByName(const String& name, const String& entryType)
 {
     PerformanceEntryVector entries;
 
@@ -175,24 +146,24 @@ PerformanceEntryVector Performance::getEntriesByName(const String& name, const S
     return entries;
 }
 
-void Performance::webkitClearResourceTimings()
+void PerformanceBase::webkitClearResourceTimings()
 {
     m_resourceTimingBuffer.clear();
 }
 
-void Performance::webkitSetResourceTimingBufferSize(unsigned size)
+void PerformanceBase::webkitSetResourceTimingBufferSize(unsigned size)
 {
     m_resourceTimingBufferSize = size;
     if (isResourceTimingBufferFull())
         dispatchEvent(Event::create(EventTypeNames::webkitresourcetimingbufferfull));
 }
 
-void Performance::clearFrameTimings()
+void PerformanceBase::clearFrameTimings()
 {
     m_frameTimingBuffer.clear();
 }
 
-void Performance::setFrameTimingBufferSize(unsigned size)
+void PerformanceBase::setFrameTimingBufferSize(unsigned size)
 {
     m_frameTimingBufferSize = size;
     if (isFrameTimingBufferFull())
@@ -238,7 +209,7 @@ static bool allowsTimingRedirect(const Vector<ResourceResponse>& redirectChain,
     return true;
 }
 
-void Performance::addResourceTiming(const ResourceTimingInfo& info, Document* initiatorDocument)
+void PerformanceBase::addResourceTiming(const ResourceTimingInfo& info, Document* initiatorDocument)
 {
     if (isResourceTimingBufferFull())
         return;
@@ -271,7 +242,7 @@ void Performance::addResourceTiming(const ResourceTimingInfo& info, Document* in
     addResourceTimingBuffer(entry);
 }
 
-void Performance::addResourceTimingBuffer(PerformanceEntry* entry)
+void PerformanceBase::addResourceTimingBuffer(PerformanceEntry* entry)
 {
     m_resourceTimingBuffer.append(entry);
 
@@ -279,12 +250,12 @@ void Performance::addResourceTimingBuffer(PerformanceEntry* entry)
         dispatchEvent(Event::create(EventTypeNames::webkitresourcetimingbufferfull));
 }
 
-bool Performance::isResourceTimingBufferFull()
+bool PerformanceBase::isResourceTimingBufferFull()
 {
     return m_resourceTimingBuffer.size() >= m_resourceTimingBufferSize;
 }
 
-void Performance::addRenderTiming(Document* initiatorDocument, unsigned sourceFrame, double startTime, double finishTime)
+void PerformanceBase::addRenderTiming(Document* initiatorDocument, unsigned sourceFrame, double startTime, double finishTime)
 {
     if (isFrameTimingBufferFull())
         return;
@@ -293,7 +264,7 @@ void Performance::addRenderTiming(Document* initiatorDocument, unsigned sourceFr
     addFrameTimingBuffer(entry);
 }
 
-void Performance::addCompositeTiming(Document* initiatorDocument, unsigned sourceFrame, double startTime)
+void PerformanceBase::addCompositeTiming(Document* initiatorDocument, unsigned sourceFrame, double startTime)
 {
     if (isFrameTimingBufferFull())
         return;
@@ -302,7 +273,7 @@ void Performance::addCompositeTiming(Document* initiatorDocument, unsigned sourc
     addFrameTimingBuffer(entry);
 }
 
-void Performance::addFrameTimingBuffer(PerformanceEntry* entry)
+void PerformanceBase::addFrameTimingBuffer(PerformanceEntry* entry)
 {
     m_frameTimingBuffer.append(entry);
 
@@ -310,54 +281,50 @@ void Performance::addFrameTimingBuffer(PerformanceEntry* entry)
         dispatchEvent(Event::create(EventTypeNames::frametimingbufferfull));
 }
 
-bool Performance::isFrameTimingBufferFull()
+bool PerformanceBase::isFrameTimingBufferFull()
 {
     return m_frameTimingBuffer.size() >= m_frameTimingBufferSize;
 }
 
-void Performance::mark(const String& markName, ExceptionState& exceptionState)
+void PerformanceBase::mark(const String& markName, ExceptionState& exceptionState)
 {
     if (!m_userTiming)
         m_userTiming = UserTiming::create(this);
     m_userTiming->mark(markName, exceptionState);
 }
 
-void Performance::clearMarks(const String& markName)
+void PerformanceBase::clearMarks(const String& markName)
 {
     if (!m_userTiming)
         m_userTiming = UserTiming::create(this);
     m_userTiming->clearMarks(markName);
 }
 
-void Performance::measure(const String& measureName, const String& startMark, const String& endMark, ExceptionState& exceptionState)
+void PerformanceBase::measure(const String& measureName, const String& startMark, const String& endMark, ExceptionState& exceptionState)
 {
     if (!m_userTiming)
         m_userTiming = UserTiming::create(this);
     m_userTiming->measure(measureName, startMark, endMark, exceptionState);
 }
 
-void Performance::clearMeasures(const String& measureName)
+void PerformanceBase::clearMeasures(const String& measureName)
 {
     if (!m_userTiming)
         m_userTiming = UserTiming::create(this);
     m_userTiming->clearMeasures(measureName);
 }
 
-double Performance::now() const
+double PerformanceBase::now() const
 {
-    return 1000.0 * (monotonicallyIncreasingTime() - m_referenceTime);
+    return 1000.0 * (monotonicallyIncreasingTime() - m_timeOrigin);
 }
 
-DEFINE_TRACE(Performance)
+DEFINE_TRACE(PerformanceBase)
 {
-    visitor->trace(m_navigation);
-    visitor->trace(m_timing);
     visitor->trace(m_frameTimingBuffer);
     visitor->trace(m_resourceTimingBuffer);
-    visitor->trace(m_memoryInfo);
     visitor->trace(m_userTiming);
     EventTargetWithInlineData::trace(visitor);
-    DOMWindowProperty::trace(visitor);
 }
 
 } // namespace blink