Implement frame attribution (FrameBlamer)

third_party/WebKit/Source/platform/TraceEvent.h

Index: third_party/WebKit/Source/platform/TraceEvent.h
diff --git a/third_party/WebKit/Source/platform/TraceEvent.h b/third_party/WebKit/Source/platform/TraceEvent.h
index b2d51c05913d706cfeadaa873c662fbde7eee251..6241c617548f1b67108b931cfeb2b31bc6a5387f 100644
--- a/third_party/WebKit/Source/platform/TraceEvent.h
+++ b/third_party/WebKit/Source/platform/TraceEvent.h
@@ -296,6 +296,7 @@ class TraceID final {
 public:
     class WithScope final {
         STACK_ALLOCATED();
+
     public:
         template<typename T> WithScope(const char* scope, T id)
             : m_scope(scope), m_data(reinterpret_cast<unsigned long long>(id)) { }
@@ -308,6 +309,7 @@ public:
 
     template<bool dummyMangle> class MangleBehavior final {
         STACK_ALLOCATED();
+
     public:
         template<typename T> explicit MangleBehavior(T id) : m_data(reinterpret_cast<unsigned long long>(id)) { }
         explicit MangleBehavior(WithScope scopedID) : m_scope(scopedID.scope()), m_data(scopedID.data()) { }
@@ -370,6 +372,7 @@ union TraceValueUnion {
 // Simple container for const char* that should be copied instead of retained.
 class TraceStringWithCopy {
     STACK_ALLOCATED();
+
 public:
     explicit TraceStringWithCopy(const char* str) : m_str(str) { }
     const char* str() const { return m_str; }
@@ -620,7 +623,7 @@ private:
     // members of this class instead, compiler warnings occur about potential
     // uninitialized accesses.
     struct Data {
-        DISALLOW_NEW();
+        STACK_ALLOCATED();
         const unsigned char* categoryGroupEnabled;
         const char* name;
         TraceEventHandle eventHandle;