Only user gesture focus change and mouse click show autofill.

components/autofill/content/renderer/page_click_tracker.cc

Index: components/autofill/content/renderer/page_click_tracker.cc
diff --git a/components/autofill/content/renderer/page_click_tracker.cc b/components/autofill/content/renderer/page_click_tracker.cc
index 56fbb5345065030cd9750dee58128d52958f27e3..dc2db53c6fa46d9a0185cc3897d6c1eda8de63dd 100644
--- a/components/autofill/content/renderer/page_click_tracker.cc
+++ b/components/autofill/content/renderer/page_click_tracker.cc
@@ -18,6 +18,7 @@
 #include "third_party/WebKit/public/web/WebInputEvent.h"
 #include "third_party/WebKit/public/web/WebLocalFrame.h"
 #include "third_party/WebKit/public/web/WebTextAreaElement.h"
+#include "third_party/WebKit/public/web/WebUserGestureIndicator.h"
 #include "third_party/WebKit/public/web/WebView.h"
 
 using blink::WebElement;
@@ -29,6 +30,7 @@ using blink::WebNode;
 using blink::WebPoint;
 using blink::WebSize;
 using blink::WebTextAreaElement;
+using blink::WebUserGestureIndicator;
 
 namespace {
 
@@ -77,11 +79,17 @@ PageClickTracker::~PageClickTracker() {
 void PageClickTracker::OnMouseDown(const WebNode& mouse_down_node) {
   focused_node_was_last_clicked_ = !mouse_down_node.isNull() &&
                                    mouse_down_node.focused();
+
+  if (IsKeyboardAccessoryEnabled())
+    DoFocusChangeComplete();
 }
 
 void PageClickTracker::FocusedNodeChanged(const WebNode& node) {
   was_focused_before_now_ = false;
 
+  if (!WebUserGestureIndicator::isProcessingUserGesture())

[Evan Stade, 2015/09/08 21:26:32]

I think this makes more sense as

if (IsKeyboardAccessoryEnabled() && ...::isProcessingUserGesture()) {
  dostuff;
}

[please use gerrit instead, 2015/09/09 00:20:16]

Done.

+    return;
+
   if (IsKeyboardAccessoryEnabled()) {
     focused_node_was_last_clicked_ = true;
     DoFocusChangeComplete();