Add support for KeyboardEvent.location attribute

Source/bindings/scripts/deprecated_code_generator_v8.pm

Index: Source/bindings/scripts/deprecated_code_generator_v8.pm
diff --git a/Source/bindings/scripts/deprecated_code_generator_v8.pm b/Source/bindings/scripts/deprecated_code_generator_v8.pm
index cd82aff027380ca35809a45ddab051dae33d2e56..40cdd99ca93e64a0bbbdd6ee537e45dea7f26cc1 100644
--- a/Source/bindings/scripts/deprecated_code_generator_v8.pm
+++ b/Source/bindings/scripts/deprecated_code_generator_v8.pm
@@ -2694,11 +2694,26 @@ END
 END
     }
 
+    my $declaredFoundBoolean = 0;
     foreach my $attribute (@{$interface->attributes}) {
         if ($attribute->extendedAttributes->{"InitializedByEventConstructor"}) {
             if ($attribute->type ne "any") {
                 my $attributeName = $attribute->name;
-                $code .= "    options.get(\"$attributeName\", eventInit.$attributeName);\n";
+                my $attributeImplName = GetImplName($attribute);
+                my $deprecation = $attribute->extendedAttributes->{"DeprecateAs"};
+                $code .= "    ";
+                if ($deprecation) {
+                    unless ($declaredFoundBoolean) {
+                        $code .= "bool ";
+                        $declaredFoundBoolean = 1;
+                    }
+                    $code .= "found = ";
+                }
+                $code .= "options.get(\"$attributeName\", eventInit.$attributeImplName);\n";
+                if ($deprecation) {
+                    $code .= "    if (found)\n";
+                    $code .= "    " . GenerateDeprecationNotification($deprecation);

[haraken, 2013/07/23 09:21:30]

How about generating the following code? Then 'found' is not needed, which will
simplify the code generator.

  if (options.get("attr", eventInit.attr))
    GenerateDeprecationNotification(...)

[do-not-use, 2013/07/23 10:12:04]

OK. Will do.

+                }
             }
         }
     }