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

chrome/renderer/autofill/page_click_tracker_browsertest.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 "base/basictypes.h"
 #include "chrome/test/base/chrome_render_view_test.h"
 #include "components/autofill/content/renderer/page_click_listener.h"
 #include "components/autofill/content/renderer/page_click_tracker.h"
 #include "content/public/renderer/render_view.h"
 #include "testing/gtest/include/gtest/gtest.h"
@@ skipping 171 matching lines @@
   EXPECT_TRUE(test_listener_.form_control_element_clicked_called_);
   EXPECT_FALSE(test_listener_.was_focused_);
   EXPECT_TRUE(text_ == test_listener_.form_control_element_clicked_);
   test_listener_.ClearResults();
 
   // Click the disabled element.
   EXPECT_TRUE(SimulateElementClick("button_2"));
   EXPECT_FALSE(test_listener_.form_control_element_clicked_called_);
 }
 
+TEST_F(PageClickTrackerTest, PageClickTrackerTapNearEdgeIsPageClick) {
+  EXPECT_NE(text_, text_.document().focusedElement());
+  // Tap outside of element bounds, but tap width is overlapping the field.
+  gfx::Rect element_bounds = GetElementBounds("text_1");
+  SimulateRectTap(element_bounds -
+                  gfx::Vector2d(element_bounds.width() / 2 + 1, 0));
+  EXPECT_TRUE(test_listener_.form_control_element_clicked_called_);
+  EXPECT_FALSE(test_listener_.was_focused_);
+  EXPECT_TRUE(text_ == test_listener_.form_control_element_clicked_);
+}
+
 }  // namespace autofill