Refactoring: Move queryLocalizedString() to Locale class.

Source/core/platform/text/PlatformLocale.h

Index: Source/core/platform/text/PlatformLocale.h
diff --git a/Source/core/platform/text/PlatformLocale.h b/Source/core/platform/text/PlatformLocale.h
index 0c7ede4b36a47c3433c8bfce317494247a309791..8f19dd474a8e2d85470ab1c3aaaf60801a38ad6f 100644
--- a/Source/core/platform/text/PlatformLocale.h
+++ b/Source/core/platform/text/PlatformLocale.h
@@ -28,6 +28,7 @@
 
 #include "core/platform/DateComponents.h"
 #include "core/platform/Language.h"
+#include "public/platform/WebLocalizedString.h"
 #include "wtf/PassOwnPtr.h"
 #include "wtf/text/WTFString.h"
 
@@ -40,6 +41,10 @@ public:
     static PassOwnPtr<Locale> create(const AtomicString& localeIdentifier);
     static PassOwnPtr<Locale> createDefault();
 
+    String queryString(WebKit::WebLocalizedString::Name);
+    String queryString(WebKit::WebLocalizedString::Name, const String& parameter);
+    String queryString(WebKit::WebLocalizedString::Name, const String& parameter1, const String& parameter2);
+
     // Converts the specified number string to another number string localized
     // for this Locale locale. The input string must conform to HTML
     // floating-point numbers, and is not empty.