Adding Mouse Support for new GTK Autofill

chrome/renderer/autofill/autofill_browsertest.cc

Index: chrome/renderer/autofill/autofill_browsertest.cc
diff --git a/chrome/renderer/autofill/autofill_browsertest.cc b/chrome/renderer/autofill/autofill_browsertest.cc
index 50694ddff561e3e416e7981b40429368669d779a..a4c5d7ef09f0d95adddb5e277b78f3ec4e0fa00b 100644
--- a/chrome/renderer/autofill/autofill_browsertest.cc
+++ b/chrome/renderer/autofill/autofill_browsertest.cc
@@ -83,6 +83,9 @@ TEST_F(ChromeRenderViewTest, SendForms) {
   WebInputElement firstname =
       document.getElementById("firstname").to<WebInputElement>();
 
+  // Make sure to query for Autofill suggestions before selecting one.
+  autofill_agent_->QueryAutofillSuggestions(firstname, false);
+
   // Accept suggestion that contains a label.  Labeled items indicate Autofill
   // as opposed to Autocomplete.  We're testing this distinction below with
   // the |AutofillHostMsg_FillAutofillFormData::ID| message.
@@ -149,6 +152,9 @@ TEST_F(ChromeRenderViewTest, FillFormElement) {
       document.getElementById("middlename").to<WebInputElement>();
   middlename.setAutofilled(true);
 
+  // Make sure to query for Autofill suggestions before selecting one.
+  autofill_agent_->QueryAutofillSuggestions(firstname, false);
+
   // Accept a suggestion in a form that has been auto-filled.  This triggers
   // the direct filling of the firstname element with value parameter.
   autofill_agent_->didAcceptAutofillSuggestion(firstname,