[autofill] Show autofill popup when focusing a field by tapping near its edge.

content/public/test/render_view_test.cc

Index: content/public/test/render_view_test.cc
diff --git a/content/public/test/render_view_test.cc b/content/public/test/render_view_test.cc
index 16aafda131b727fb606ee591348e8973d76591d9..9f49968b92321bb94fa634c49fb87dd6222cddfa 100644
--- a/content/public/test/render_view_test.cc
+++ b/content/public/test/render_view_test.cc
@@ -40,6 +40,7 @@
 #include "base/mac/scoped_nsautorelease_pool.h"
 #endif
 
+using blink::WebGestureEvent;
 using blink::WebInputEvent;
 using blink::WebLocalFrame;
 using blink::WebMouseEvent;
@@ -341,6 +342,20 @@ void RenderViewTest::SimulatePointClick(const gfx::Point& point) {
       InputMsg_HandleInputEvent(0, &mouse_event, ui::LatencyInfo(), false));
 }
 
+void RenderViewTest::SimulateRectTap(const gfx::Rect& rect) {
+  WebGestureEvent gesture_event;
+  gesture_event.x = rect.CenterPoint().x();
+  gesture_event.y = rect.CenterPoint().y();
+  gesture_event.data.tap.tapCount = 1;
+  gesture_event.data.tap.width = rect.width();
+  gesture_event.data.tap.height = rect.height();
+  gesture_event.type = WebInputEvent::GestureTap;
+  RenderViewImpl* impl = static_cast<RenderViewImpl*>(view_);
+  impl->OnMessageReceived(
+      InputMsg_HandleInputEvent(0, &gesture_event, ui::LatencyInfo(), false));
+  impl->FocusChangeComplete();
+}
+
 void RenderViewTest::SetFocused(const blink::WebNode& node) {
   RenderViewImpl* impl = static_cast<RenderViewImpl*>(view_);
   impl->focusedNodeChanged(blink::WebNode(), node);