New take at implementing autofill using the editor client API

webkit/glue/password_autocomplete_listener.cc

Index: webkit/glue/password_autocomplete_listener.cc
===================================================================
--- webkit/glue/password_autocomplete_listener.cc	(revision 5578)
+++ webkit/glue/password_autocomplete_listener.cc	(working copy)
@@ -8,9 +8,39 @@
 #include "webkit/glue/password_autocomplete_listener.h"
 #undef LOG
 #include "base/logging.h"
+#include "webkit/glue/glue_util.h"
 
 namespace webkit_glue {
 
+HTMLInputDelegate::HTMLInputDelegate(WebCore::HTMLInputElement* element)
+    : element_(element) {
+  // Reference the element for the lifetime of this delegate.
+  // element is NULL when testing.
+  if (element_)
+    element_->ref();
+}
+
+HTMLInputDelegate::~HTMLInputDelegate() {
+  if (element_)
+    element_->deref();
+}
+
+void HTMLInputDelegate::SetValue(const std::wstring& value) {
+  element_->setValue(StdWStringToString(value));
+}
+
+void HTMLInputDelegate::SetSelectionRange(size_t start, size_t end) {
+  element_->setSelectionRange(start, end);
+}
+
+void HTMLInputDelegate::OnFinishedAutocompleting() {
+  // This sets the input element to an autofilled state which will result in it
+  // having a yellow background.
+  element_->setAutofilled(true);
+  // Notify any changeEvent listeners.
+  element_->onChange();
+}
+
 PasswordAutocompleteListener::PasswordAutocompleteListener(
     HTMLInputDelegate* username_delegate,
     HTMLInputDelegate* password_delegate,