Add WM_EVENT_TRUSTED_PIN and WINDOW_STATE_TYPE_TRUSTED_PINNED to Ash.

components/exo/shell_surface_unittest.cc

Index: components/exo/shell_surface_unittest.cc
diff --git a/components/exo/shell_surface_unittest.cc b/components/exo/shell_surface_unittest.cc
index cfeffaaeec4239882414c3bd42dd905b85d0cb46..6bf6a5722a16273d01fcebf0a1b266d2f6f9e582 100644
--- a/components/exo/shell_surface_unittest.cc
+++ b/components/exo/shell_surface_unittest.cc
@@ -167,12 +167,22 @@ TEST_F(ShellSurfaceTest, SetPinned) {
   std::unique_ptr<Surface> surface(new Surface);
   std::unique_ptr<ShellSurface> shell_surface(new ShellSurface(surface.get()));
 
-  shell_surface->SetPinned(true);
+  shell_surface->SetPinned(true, /* trusted */ true);
   EXPECT_TRUE(
       ash::wm::GetWindowState(shell_surface->GetWidget()->GetNativeWindow())
           ->IsPinned());
 
-  shell_surface->SetPinned(false);
+  shell_surface->SetPinned(false, /* trusted */ true);
+  EXPECT_FALSE(
+      ash::wm::GetWindowState(shell_surface->GetWidget()->GetNativeWindow())
+          ->IsPinned());
+
+  shell_surface->SetPinned(true, /* trusted */ false);
+  EXPECT_TRUE(
+      ash::wm::GetWindowState(shell_surface->GetWidget()->GetNativeWindow())
+          ->IsPinned());
+
+  shell_surface->SetPinned(false, /* trusted */ false);
   EXPECT_FALSE(
       ash::wm::GetWindowState(shell_surface->GetWidget()->GetNativeWindow())
           ->IsPinned());