Correctly update the popup window position

content/browser/renderer_host/render_widget_host_view_aura_unittest.cc

Index: content/browser/renderer_host/render_widget_host_view_aura_unittest.cc
diff --git a/content/browser/renderer_host/render_widget_host_view_aura_unittest.cc b/content/browser/renderer_host/render_widget_host_view_aura_unittest.cc
index bdbfbba3b74315e0dcdaaa6ea7e2c7f3d5247c24..481e70e1574667073670c2be7cf31a4dce48ae8d 100644
--- a/content/browser/renderer_host/render_widget_host_view_aura_unittest.cc
+++ b/content/browser/renderer_host/render_widget_host_view_aura_unittest.cc
@@ -400,6 +400,10 @@ class FakeRenderWidgetHostViewAura : public RenderWidgetHostViewAura {
     return event_handler()->pointer_state();
   }
 
+  // In this unit test, |window_| is directly added to the root and is
+  // toplevel.
+  aura::Window* GetToplevelWindow() override { return window(); }
+
   bool can_create_resize_lock_;
   gfx::Size last_frame_size_;
   std::unique_ptr<cc::CopyOutputRequest> last_copy_request_;
@@ -483,6 +487,20 @@ const WebInputEvent* GetInputEventFromMessage(const IPC::Message& message) {
   return reinterpret_cast<const WebInputEvent*>(data);
 }
 
+class MockRenderWidgetHostViewAura : public RenderWidgetHostViewAura {
+ public:
+  MockRenderWidgetHostViewAura(RenderWidgetHost* host, bool is_guest_view_hack)
+      : RenderWidgetHostViewAura(host, is_guest_view_hack) {}
+
+  ~MockRenderWidgetHostViewAura() override {}
+
+ protected:
+  aura::Window* GetToplevelWindow() override { return window(); }
+
+ private:
+  DISALLOW_COPY_AND_ASSIGN(MockRenderWidgetHostViewAura);
+};
+
 }  // namespace
 
 class RenderWidgetHostViewAuraTest : public testing::Test {
@@ -500,6 +518,8 @@ class RenderWidgetHostViewAuraTest : public testing::Test {
     aura_test_helper_->SetUp(
         ImageTransportFactory::GetInstance()->GetContextFactory());
     new wm::DefaultActivationClient(aura_test_helper_->root_window());
+    aura::client::SetScreenPositionClient(aura_test_helper_->root_window(),
+                                          &screen_position_client_);
 
     browser_context_.reset(new TestBrowserContext);
     process_host_ = new MockRenderProcessHost(browser_context_.get());
@@ -512,8 +532,8 @@ class RenderWidgetHostViewAuraTest : public testing::Test {
     parent_host_ = new RenderWidgetHostImpl(delegates_.back().get(),
                                             process_host_, routing_id, false);
     delegates_.back()->set_widget_host(parent_host_);
-    parent_view_ = new RenderWidgetHostViewAura(parent_host_,
-                                                is_guest_view_hack_);
+    parent_view_ =
+        new MockRenderWidgetHostViewAura(parent_host_, is_guest_view_hack_);
     parent_view_->InitAsChild(nullptr);
     aura::client::ParentWindowWithContext(parent_view_->GetNativeView(),
                                           aura_test_helper_->root_window(),
@@ -671,6 +691,7 @@ class RenderWidgetHostViewAuraTest : public testing::Test {
   std::unique_ptr<aura::test::AuraTestHelper> aura_test_helper_;
   std::unique_ptr<BrowserContext> browser_context_;
   std::vector<std::unique_ptr<MockRenderWidgetHostDelegate>> delegates_;
+  wm::DefaultScreenPositionClient screen_position_client_;
   MockRenderProcessHost* process_host_;
 
   // Tests should set these to nullptr if they've already triggered their
@@ -953,11 +974,9 @@ TEST_F(RenderWidgetHostViewAuraTest, FocusFullscreen) {
 // Checks that a popup is positioned correctly relative to its parent using
 // screen coordinates.
 TEST_F(RenderWidgetHostViewAuraTest, PositionChildPopup) {
-  wm::DefaultScreenPositionClient screen_position_client;
 
   aura::Window* window = parent_view_->GetNativeView();
   aura::Window* root = window->GetRootWindow();
-  aura::client::SetScreenPositionClient(root, &screen_position_client);
 
   parent_view_->SetBounds(gfx::Rect(10, 10, 800, 600));
   gfx::Rect bounds_in_screen = parent_view_->GetViewBounds();
@@ -4148,9 +4167,8 @@ class RenderWidgetHostViewAuraWithViewHarnessTest
     // the RWHVA as the view.
     delete contents()->GetRenderViewHost()->GetWidget()->GetView();
     // This instance is destroyed in the TearDown method below.
-    view_ = new RenderWidgetHostViewAura(
-        contents()->GetRenderViewHost()->GetWidget(),
-        false);
+    view_ = new MockRenderWidgetHostViewAura(
+        contents()->GetRenderViewHost()->GetWidget(), false);
   }
 
   void TearDown() override {