Aura tooltips do not move on mouse move in case of many neighboring views with the same label

ui/views/corewm/tooltip_controller_unittest.cc

Index: ui/views/corewm/tooltip_controller_unittest.cc
diff --git a/ui/views/corewm/tooltip_controller_unittest.cc b/ui/views/corewm/tooltip_controller_unittest.cc
index 4764fc7115e675f398c0832b629b287897846388..9b60cb819891e9ad9eb62b85b011c77b9e6222f4 100644
--- a/ui/views/corewm/tooltip_controller_unittest.cc
+++ b/ui/views/corewm/tooltip_controller_unittest.cc
@@ -391,6 +391,42 @@ TEST_F(TooltipControllerTest, ReshowOnClickAfterEnterExit) {
   EXPECT_EQ(v1_tt, helper_->GetTooltipText());
 }
 
+TEST_F(TooltipControllerTest, TooltipPositionChangesOnTwoViewsWithSameLabel) {
+  // Owned by |view_|.
+  TooltipTestView* v1 = new TooltipTestView;
+  TooltipTestView* v2 = new TooltipTestView;
+  view_->AddChildView(v1);
+  view_->AddChildView(v2);
+  const base::string16 reference_string(base::ASCIIToUTF16(
+      "Identical Tooltip Text"));
+  v1->set_tooltip_text(reference_string);
+  v2->set_tooltip_text(reference_string);
+
+  gfx::Rect view_bounds(view_->GetLocalBounds());
+  view_bounds.set_height(view_bounds.height() / 2);
+  v1->SetBoundsRect(view_bounds);
+  view_bounds.set_y(view_bounds.height());
+  v2->SetBoundsRect(view_bounds);
+
+  gfx::Point center = v1->bounds().CenterPoint();
+  generator_->MoveMouseRelativeTo(GetWindow(), center);
+  helper_->FireTooltipTimer();
+  EXPECT_TRUE(helper_->IsTooltipVisible());
+  EXPECT_EQ(reference_string, helper_->GetTooltipText());
+  gfx::Point tooltip_bounds1 = helper_->GetTooltipPosition();
+
+  center = v2->bounds().CenterPoint();
+  generator_->MoveMouseRelativeTo(GetWindow(), center);
+  helper_->FireTooltipTimer();
+  EXPECT_TRUE(helper_->IsTooltipVisible());
+  EXPECT_EQ(reference_string, helper_->GetTooltipText());
+  gfx::Point tooltip_bounds2 = helper_->GetTooltipPosition();
+
+  EXPECT_NE(tooltip_bounds1, gfx::Point());
+  EXPECT_NE(tooltip_bounds2, gfx::Point());
+  EXPECT_NE(tooltip_bounds1, tooltip_bounds2);
+}
+
 namespace {
 
 // Returns the index of |window| in its parent's children.
@@ -679,6 +715,9 @@ class TestTooltip : public Tooltip {
   virtual bool IsVisible() OVERRIDE {
     return is_visible_;
   }
+  virtual gfx::Point GetTooltipPosition() OVERRIDE {
+    return gfx::Point();
+  }
 
  private:
   bool is_visible_;