Improve 'Selection' exception messages.

Source/bindings/v8/ExceptionMessages.cpp

Index: Source/bindings/v8/ExceptionMessages.cpp
diff --git a/Source/bindings/v8/custom/V8WorkerCryptoCustom.cpp b/Source/bindings/v8/ExceptionMessages.cpp
similarity index 87%
copy from Source/bindings/v8/custom/V8WorkerCryptoCustom.cpp
copy to Source/bindings/v8/ExceptionMessages.cpp
index 539b9ed11590c17ec5ce2bbc307520a49e6ac24e..15c7f28eb87c63553e4a9e7ba5c2d2414d5a9c43 100644
--- a/Source/bindings/v8/custom/V8WorkerCryptoCustom.cpp
+++ b/Source/bindings/v8/ExceptionMessages.cpp
@@ -29,15 +29,13 @@
  */
 
 #include "config.h"
-#include "V8WorkerCrypto.h"
-
-#include "V8Crypto.h"
+#include "bindings/v8/ExceptionMessages.h"
 
 namespace WebCore {
 
-void V8WorkerCrypto::getRandomValuesMethodCustom(const v8::FunctionCallbackInfo<v8::Value>& args)
+String ExceptionMessages::failedToExecute(const String& method, const String& type, const String& detail)
 {
-    V8Crypto::getRandomValuesMethodCustom(args);
+    return "Failed to execute '" + method + "' on '" + type + "': " + detail;
 }
 
 } // namespace WebCore