Avoid unnecessary byte-swapping in blink's SerializedScriptValue.

third_party/WebKit/Source/bindings/modules/v8/V8BindingForModulesTest.cpp

Index: third_party/WebKit/Source/bindings/modules/v8/V8BindingForModulesTest.cpp
diff --git a/third_party/WebKit/Source/bindings/modules/v8/V8BindingForModulesTest.cpp b/third_party/WebKit/Source/bindings/modules/v8/V8BindingForModulesTest.cpp
index 3fb2c598f644d0a6ab49c984f91921365459b1c1..3b8663b48f20c8c5889eb74d006874f8059818b0 100644
--- a/third_party/WebKit/Source/bindings/modules/v8/V8BindingForModulesTest.cpp
+++ b/third_party/WebKit/Source/bindings/modules/v8/V8BindingForModulesTest.cpp
@@ -129,10 +129,10 @@ void checkKeyPathNumberValue(v8::Isolate* isolate,
 
 // SerializedScriptValue header format offsets are inferred from the Blink and
 // V8 serialization code. The code below DCHECKs that
-constexpr static size_t kSSVHeaderBlinkVersionOffset = 0;
-constexpr static size_t kSSVHeaderBlinkVersionTagOffset = 1;
-constexpr static size_t kSSVHeaderV8VersionOffset = 2;
-constexpr static size_t kSSVHeaderV8VersionTagOffset = 3;
+constexpr static size_t kSSVHeaderBlinkVersionTagOffset = 0;
+constexpr static size_t kSSVHeaderBlinkVersionOffset = 1;
+constexpr static size_t kSSVHeaderV8VersionTagOffset = 2;
+constexpr static size_t kSSVHeaderV8VersionOffset = 3;
 
 // 13 is v8::internal::kLatestVersion in v8/src/value-serializer.cc at the
 // time when this test was written. Unlike Blink, V8 does not currently export
@@ -159,16 +159,16 @@ void serializeV8Value(v8::Local<v8::Value> value,
   // 0xFF.
   const unsigned char* wireData =
       reinterpret_cast<unsigned char*>(wireBytes->data());
+  ASSERT_EQ(static_cast<unsigned char>(VersionTag),
+            wireData[kSSVHeaderBlinkVersionTagOffset]);
   ASSERT_EQ(
       static_cast<unsigned char>(SerializedScriptValue::wireFormatVersion),
       wireData[kSSVHeaderBlinkVersionOffset]);
-  ASSERT_EQ(static_cast<unsigned char>(VersionTag),
-            wireData[kSSVHeaderBlinkVersionTagOffset]);
 
-  ASSERT_GE(static_cast<unsigned char>(kV8LatestKnownVersion),
-            wireData[kSSVHeaderV8VersionOffset]);
   ASSERT_EQ(static_cast<unsigned char>(VersionTag),
             wireData[kSSVHeaderV8VersionTagOffset]);
+  ASSERT_GE(static_cast<unsigned char>(kV8LatestKnownVersion),
+            wireData[kSSVHeaderV8VersionOffset]);
 }
 
 PassRefPtr<IDBValue> createIDBValue(v8::Isolate* isolate,