[autofill] Adding new API to request an interactive autocomplete UI flow.

chrome/renderer/autofill/autofill_agent.cc

Index: chrome/renderer/autofill/autofill_agent.cc
diff --git a/chrome/renderer/autofill/autofill_agent.cc b/chrome/renderer/autofill/autofill_agent.cc
index 3977caae7a9ab189390c0b0e182b6885247eba68..f59ca198bdd903a6af8b4026ab5e7f26b82320f8 100644
--- a/chrome/renderer/autofill/autofill_agent.cc
+++ b/chrome/renderer/autofill/autofill_agent.cc
@@ -213,6 +213,24 @@ void AutofillAgent::DidChangeScrollOffset(WebKit::WebFrame*) {
   Send(new AutofillHostMsg_HideAutofillPopup(routing_id()));
 }
 
+void AutofillAgent::RequestAutocomplete(WebKit::WebFrame* frame,
+                                        const WebFormElement& form) {
+
+  // TODO(dbeam): should popups be hidden here? Maybe after a view message from

[Evan Stade, 2012/10/24 21:59:44]

what popups?

[Dan Beam, 2012/10/26 03:06:05]

any existing autocomplete suggestion popups

+  // the browser to say whether the interactive autocomplete UI will show?
+
+  FormData form_data;
+  if (WebFormElementToFormData(form,
+                               WebFormControlElement(),
+                               REQUIRE_AUTOCOMPLETE,
+                               static_cast<ExtractMask>(
+                                   EXTRACT_VALUE | EXTRACT_OPTION_TEXT),
+                               &form_data,
+                               NULL)) {
+    Send(new AutofillHostMsg_RequestAutocomplete(routing_id(), form_data));
+  }
+}
+
 bool AutofillAgent::InputElementClicked(const WebInputElement& element,
                                         bool was_focused,
                                         bool is_focused) {