Rename WebKit namespace to blink (part 4)

chrome/renderer/extensions/document_custom_bindings.cc

Index: chrome/renderer/extensions/document_custom_bindings.cc
diff --git a/chrome/renderer/extensions/document_custom_bindings.cc b/chrome/renderer/extensions/document_custom_bindings.cc
index 253b6127f358417c2c39f01c661e53930a12d813..b647b5b75aa3186555c261bb07e7650aa7252b71 100644
--- a/chrome/renderer/extensions/document_custom_bindings.cc
+++ b/chrome/renderer/extensions/document_custom_bindings.cc
@@ -33,11 +33,11 @@ void DocumentCustomBindings::RegisterElement(
   std::string element_name(*v8::String::AsciiValue(args[0]));
   v8::Local<v8::Object> options = args[1]->ToObject();
 
-  WebKit::WebExceptionCode ec = 0;
-  WebKit::WebDocument document = context()->web_frame()->document();
+  blink::WebExceptionCode ec = 0;
+  blink::WebDocument document = context()->web_frame()->document();
   v8::Handle<v8::Value> constructor =
       document.registerEmbedderCustomElement(
-          WebKit::WebString::fromUTF8(element_name), options, ec);
+          blink::WebString::fromUTF8(element_name), options, ec);
   args.GetReturnValue().Set(constructor);
 }