Thwart clickjacking in autofill popups by ignoring double clicks

chrome/browser/ui/views/autofill/autofill_popup_base_view_browsertest.cc

Index: chrome/browser/ui/views/autofill/autofill_popup_base_view_browsertest.cc
diff --git a/chrome/browser/ui/views/autofill/autofill_popup_base_view_browsertest.cc b/chrome/browser/ui/views/autofill/autofill_popup_base_view_browsertest.cc
index 0f810fadb8408fe802de7501235328a469204238..b224464cc824f6ce4f4d0c8d9325088c73077da3 100644
--- a/chrome/browser/ui/views/autofill/autofill_popup_base_view_browsertest.cc
+++ b/chrome/browser/ui/views/autofill/autofill_popup_base_view_browsertest.cc
@@ -70,7 +70,7 @@ class AutofillPopupBaseViewTest : public InProcessBrowserTest {
   }
 
  protected:
-  MockAutofillPopupViewDelegate mock_delegate_;
+  testing::NiceMock<MockAutofillPopupViewDelegate> mock_delegate_;
   AutofillPopupBaseView* view_;
 };
 
@@ -112,4 +112,22 @@ IN_PROC_BROWSER_TEST_F(AutofillPopupBaseViewTest, MAYBE_GestureTest) {
   SimulateGesture(&outside_tap);
 }
 
+IN_PROC_BROWSER_TEST_F(AutofillPopupBaseViewTest, DoubleClickTest) {
+  gfx::Rect bounds(0, 0, 5, 5);
+  gfx::Point point = bounds.CenterPoint();
+  EXPECT_CALL(mock_delegate_, popup_bounds()).WillRepeatedly(ReturnRef(bounds));
+
+  ShowView();
+
+  ui::MouseEvent mouse_down(ui::ET_MOUSE_PRESSED,
+                            gfx::Point(0, 0),
+                            gfx::Point(0, 0),
+                            0, 0);
+  EXPECT_TRUE(static_cast<views::View*>(view_)->OnMousePressed(mouse_down));
+
+  // Ignore double clicks.
+  mouse_down.SetClickCount(2);
+  EXPECT_FALSE(static_cast<views::View*>(view_)->OnMousePressed(mouse_down));
+}
+
 }  // namespace autofill