Add metrics to measure time elapsed between form load and form submission with or without Autofill.

chrome/renderer/autofill/autofill_agent.cc

 // Copyright (c) 2011 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "chrome/renderer/autofill/autofill_agent.h"
 
 #include "base/message_loop.h"
+#include "base/time.h"
 #include "base/utf_string_conversions.h"
 #include "chrome/common/autofill_messages.h"
 #include "chrome/common/chrome_constants.h"
 #include "chrome/renderer/autofill/password_autofill_manager.h"
 #include "content/renderer/render_view.h"
 #include "grit/generated_resources.h"
 #include "third_party/WebKit/Source/WebKit/chromium/public/WebDocument.h"
 #include "third_party/WebKit/Source/WebKit/chromium/public/WebFormControlElement.h"
 #include "third_party/WebKit/Source/WebKit/chromium/public/WebFrame.h"
 #include "third_party/WebKit/Source/WebKit/chromium/public/WebInputElement.h"
@@ skipping 75 matching lines @@
 
 void AutofillAgent::WillSubmitForm(WebFrame* frame,
                                    const WebFormElement& form) {
   FormData form_data;
   if (FormManager::WebFormElementToFormData(
           form,
           FormManager::REQUIRE_AUTOCOMPLETE,
           static_cast<FormManager::ExtractMask>(
               FormManager::EXTRACT_VALUE | FormManager::EXTRACT_OPTION_TEXT),
           &form_data)) {
-    Send(new AutofillHostMsg_FormSubmitted(routing_id(), form_data));
+    int64 timestamp = base::TimeTicks::Now().ToInternalValue();
+    Send(new AutofillHostMsg_FormSubmitted(routing_id(), form_data, timestamp));
   }
 }
 
 void AutofillAgent::FrameTranslated(WebFrame* frame) {
   // The page is translated, so try to extract the form data again.
   DidFinishDocumentLoad(frame);
 }
 
 bool AutofillAgent::InputElementClicked(const WebInputElement& element,
                                         bool was_focused,
@@ skipping 80 matching lines @@
 }
 
 void AutofillAgent::TextFieldDidChangeImpl(const WebInputElement& element) {
   if (password_autofill_manager_->TextDidChangeInTextField(element))
     return;
 
   ShowSuggestions(element, false, true, false);
 
   webkit_glue::FormData form;
   webkit_glue::FormField field;
-  if (FindFormAndFieldForNode(element, &form, &field))
-    Send(new AutofillHostMsg_TextFieldDidChange(routing_id(), form, field));
+  if (FindFormAndFieldForNode(element, &form, &field)) {
+    int64 timestamp = base::TimeTicks::Now().ToInternalValue();
+    Send(new AutofillHostMsg_TextFieldDidChange(routing_id(), form, field,
+                                                timestamp));
+  }
 }
 
 void AutofillAgent::textFieldDidReceiveKeyDown(const WebInputElement& element,
                                                const WebKeyboardEvent& event) {
   if (password_autofill_manager_->TextFieldHandlingKeyDown(element, event))
     return;
 
   if (event.windowsKeyCode == ui::VKEY_DOWN ||
       event.windowsKeyCode == ui::VKEY_UP)
     ShowSuggestions(element, true, true, true);
@@ skipping 86 matching lines @@
       has_autofill_item && !has_shown_autofill_popup_for_current_edit_));
   has_shown_autofill_popup_for_current_edit_ |= has_autofill_item;
 }
 
 void AutofillAgent::OnFormDataFilled(int query_id,
                                      const webkit_glue::FormData& form) {
   if (!render_view()->webview() || query_id != autofill_query_id_)
     return;
 
   switch (autofill_action_) {
-    case AUTOFILL_FILL:
+    case AUTOFILL_FILL: {
       form_manager_.FillForm(form, autofill_query_element_);
-      Send(new AutofillHostMsg_DidFillAutofillFormData(routing_id()));
+      int64 timestamp = base::TimeTicks::Now().ToInternalValue();
+      Send(new AutofillHostMsg_DidFillAutofillFormData(routing_id(),
+                                                       timestamp));
       break;
+    }
     case AUTOFILL_PREVIEW:
       form_manager_.PreviewForm(form, autofill_query_element_);
       Send(new AutofillHostMsg_DidPreviewAutofillFormData(routing_id()));
       break;
     default:
       NOTREACHED();
   }
   autofill_action_ = AUTOFILL_NONE;
 }
 
@@ skipping 92 matching lines @@
   // WebFormControlElementToFormField does not scrape the DOM for the field
   // label, so find the label here.
   // TODO(isherman): Add form and field identities so we can use the cached form
   // data in FormManager.
   field->label = FormManager::LabelForElement(element);
 
   return true;
 }
 
 }  // namespace autofill