Simplify AnimationTestHelper.h

third_party/WebKit/Source/core/animation/AnimationTestHelper.h

Index: third_party/WebKit/Source/core/animation/AnimationTestHelper.h
diff --git a/third_party/WebKit/Source/core/animation/AnimationTestHelper.h b/third_party/WebKit/Source/core/animation/AnimationTestHelper.h
index 71213f49016f21e9357f749ef301b34d2c6c3ac5..4ce310fa9fdbc94a2f52accc1b9010632ac8157c 100644
--- a/third_party/WebKit/Source/core/animation/AnimationTestHelper.h
+++ b/third_party/WebKit/Source/core/animation/AnimationTestHelper.h
@@ -5,18 +5,14 @@
 #ifndef AnimationTestHelper_h
 #define AnimationTestHelper_h
 
+#include "wtf/text/StringView.h"
 #include "wtf/text/WTFString.h"
 #include <v8.h>
 
 namespace blink {
 
-v8::Local<v8::Value> stringToV8Value(String);
-
-v8::Local<v8::Value> doubleToV8Value(double);
-
-void setV8ObjectPropertyAsString(v8::Isolate*, v8::Local<v8::Object>, String, String);
-
-void setV8ObjectPropertyAsNumber(v8::Isolate*, v8::Local<v8::Object>, String, double);
+void setV8ObjectPropertyAsString(v8::Isolate*, v8::Local<v8::Object>, const StringView& name, const StringView& value);
+void setV8ObjectPropertyAsNumber(v8::Isolate*, v8::Local<v8::Object>, const StringView& name, double value);
 
 } // namespace blink