fix windows assert

include/core/SkTypes.h

Index: include/core/SkTypes.h
diff --git a/include/core/SkTypes.h b/include/core/SkTypes.h
index baa6ac14aefad3bcb075cbb0698c99dea863972a..a47225db1199a23ed80fd62c570e9c699b4435e9 100644
--- a/include/core/SkTypes.h
+++ b/include/core/SkTypes.h
@@ -131,7 +131,11 @@ inline void operator delete(void* p) {
 #define SkASSERT_RELEASE(cond)          if(!(cond)) { SK_ABORT(#cond); }
 
 #ifdef SK_DEBUG
-    #define SkASSERT(cond)              SkASSERT_RELEASE(cond)
+    #if defined SK_BUILD_FOR_WIN
+        #define SkASSERT(cond)          if(!(cond)) { __debugbreak(); }
+    #else
+        #define SkASSERT(cond)          SkASSERT_RELEASE(cond)
+    #endif
     #define SkDEBUGFAIL(message)        SkASSERT(false && message)
     #define SkDEBUGFAILF(fmt, ...)      SkASSERTF(false, fmt, ##__VA_ARGS__)
     #define SkDEBUGCODE(code)           code