Add slice tool

tools/flags/SkCommandLineFlags.h

Index: tools/flags/SkCommandLineFlags.h
diff --git a/tools/flags/SkCommandLineFlags.h b/tools/flags/SkCommandLineFlags.h
index bf8f1403d034705b78e0ca2e179e04ff120b8a2e..5909413523143f87fd9d25eab0d565a37d82c082 100644
--- a/tools/flags/SkCommandLineFlags.h
+++ b/tools/flags/SkCommandLineFlags.h
@@ -218,6 +218,9 @@ SK_UNUSED static bool unused_##name = SkFlagInfo::CreateStringFlag(TO_STRING(nam
 
 #define DECLARE_string(name) extern SkCommandLineFlags::StringArray FLAGS_##name;
 
+
+
+
 #define DEFINE_int32(name, defaultValue, helpString)                        \
 int32_t FLAGS_##name;                                                       \
 SK_UNUSED static bool unused_##name = SkFlagInfo::CreateIntFlag(TO_STRING(name),      \
@@ -225,6 +228,14 @@ SK_UNUSED static bool unused_##name = SkFlagInfo::CreateIntFlag(TO_STRING(name),
                                                                 defaultValue,         \
                                                                 helpString)
 
+#define DEFINE_int32_2(name, shortName, defaultValue, helpString)                     \
+int32_t FLAGS_##name;                                                                 \
+SK_UNUSED static bool unused_##name = SkFlagInfo::CreateIntFlag(TO_STRING(name),      \
+                                                                TO_STRING(shortName), \
+                                                                &FLAGS_##name,        \
+                                                                defaultValue,         \
+                                                                helpString)
+
 #define DECLARE_int32(name) extern int32_t FLAGS_##name;
 
 #define DEFINE_double(name, defaultValue, helpString)                       \
@@ -289,6 +300,14 @@ public:
         return true;
     }
 
+    static bool CreateIntFlag(const char* name, const char* shortName, int32_t* pInt,
+                              int32_t defaultValue, const char* helpString) {
+        SkFlagInfo* info = new SkFlagInfo(name, shortName, kInt_FlagType, helpString);
+        info->fIntValue = pInt;
+        *info->fIntValue = info->fDefaultInt = defaultValue;
+        return true;
+    }
+
     /**
      *  See comments for CreateBoolFlag.
      */