Revert of Add SkRacy

include/core/SkDynamicAnnotations.h

Index: include/core/SkDynamicAnnotations.h
diff --git a/include/core/SkDynamicAnnotations.h b/include/core/SkDynamicAnnotations.h
index f9a80a31efddb8db47bf8709b81658b8bf3c7a10..6d21cddb940b363d16a614d3b9f54f59af3e7dcf 100644
--- a/include/core/SkDynamicAnnotations.h
+++ b/include/core/SkDynamicAnnotations.h
@@ -19,8 +19,6 @@
 // TSAN provides these hooks.
 void AnnotateIgnoreReadsBegin(const char* file, int line);
 void AnnotateIgnoreReadsEnd(const char* file, int line);
-void AnnotateBenignRaceSized(const char* file, int line,
-                             const void* addr, long size, const char* desc);
 }  // extern "C"
 
 // SK_ANNOTATE_UNPROTECTED_READ can wrap any variable read to tell TSAN to ignore that it appears to
@@ -39,46 +37,10 @@
     return read;
 }
 
-// Ignore racy reads and racy writes to this pointer, indefinitely.
-// If at all possible, use the more precise SK_ANNOTATE_UNPROTECTED_READ.
-template <typename T>
-void SK_ANNOTATE_BENIGN_RACE(T* ptr) {
-    AnnotateBenignRaceSized(__FILE__, __LINE__, ptr, sizeof(*ptr), "SK_ANNOTATE_BENIGN_RACE");
-}
-
 #else  // !DYNAMIC_ANNOTATIONS_ENABLED
 
 #define SK_ANNOTATE_UNPROTECTED_READ(x) (x)
-#define SK_ANNOTATE_BENIGN_RACE(ptr)
 
 #endif
 
-// Can be used to wrap values that are intentionally racy, usually small mutable cached values, e.g.
-//   - SkMatrix type mask
-//   - SkPathRef bounds
-//   - SkPixelRef genIDs
-template <typename T>
-class SkTRacy {
-public:
-    SkTRacy() { SK_ANNOTATE_BENIGN_RACE(&fVal); }
-
-    operator const T&() const {
-        return fVal;
-    }
-
-    SkTRacy& operator=(const T& val) {
-        fVal = val;
-        return *this;
-    }
-
-    const T* get() const { return &fVal; }
-          T* get()       { return &fVal; }
-
-    const T* operator->() const { return &fVal; }
-          T* operator->()       { return &fVal; }
-
-private:
-    T fVal;
-};
-
 #endif//SkDynamicAnnotations_DEFINED