[autofill] Show autofill suggestions on tap gesture.

chrome/renderer/autofill/autofill_renderer_browsertest.cc

Index: chrome/renderer/autofill/autofill_renderer_browsertest.cc
diff --git a/chrome/renderer/autofill/autofill_renderer_browsertest.cc b/chrome/renderer/autofill/autofill_renderer_browsertest.cc
index c5d3d626f16f1847871374d08d638993219ff399..c64aca400e38e1b03e0b7c4a9da0124f68ad0eb7 100644
--- a/chrome/renderer/autofill/autofill_renderer_browsertest.cc
+++ b/chrome/renderer/autofill/autofill_renderer_browsertest.cc
@@ -7,6 +7,7 @@
 #include "components/autofill/common/autofill_messages.h"
 #include "components/autofill/common/form_data.h"
 #include "components/autofill/common/form_field_data.h"
+#include "components/autofill/renderer/page_click_listener.h"
 #include "testing/gtest/include/gtest/gtest.h"
 #include "third_party/WebKit/public/platform/WebString.h"
 #include "third_party/WebKit/Source/WebKit/chromium/public/WebDocument.h"
@@ -260,7 +261,7 @@ TEST_F(ChromeRenderViewTest, ShowAutofillWarning) {
   // Simulate attempting to Autofill the form from the first element, which
   // specifies autocomplete="off".  This should still not trigger an IPC, as we
   // don't show warnings for elements that have autocomplete="off".
-  autofill_agent_->InputElementClicked(firstname, true, true);
+  autofill_agent_->InputElementClicked(firstname, true, true, MOUSE_CLICK);
   const IPC::Message* message1 = render_thread_->sink().GetFirstMessageMatching(
       AutofillHostMsg_QueryFormFieldAutofill::ID);
   EXPECT_EQ(static_cast<IPC::Message*>(NULL), message1);
@@ -269,7 +270,7 @@ TEST_F(ChromeRenderViewTest, ShowAutofillWarning) {
   // does not specify autocomplete="off".  This *should* trigger an IPC, as we
   // *do* show warnings for elements that don't themselves set
   // autocomplete="off", but for which the form does.
-  autofill_agent_->InputElementClicked(middlename, true, true);
+  autofill_agent_->InputElementClicked(middlename, true, true, MOUSE_CLICK);
   const IPC::Message* message2 = render_thread_->sink().GetFirstMessageMatching(
       AutofillHostMsg_QueryFormFieldAutofill::ID);
   ASSERT_NE(static_cast<IPC::Message*>(NULL), message2);