Add window property for restore bounds when virtual keyboard is enabled.

ash/wm/window_util_unittest.cc

Index: ash/wm/window_util_unittest.cc
diff --git a/ash/wm/window_util_unittest.cc b/ash/wm/window_util_unittest.cc
index 5c18e6b58f85ae83b5281cad6be2cdd4e6c0fcb8..7c2e1e43d0ca5ed833bcff0454e7fff129d4bb80 100644
--- a/ash/wm/window_util_unittest.cc
+++ b/ash/wm/window_util_unittest.cc
@@ -7,9 +7,12 @@
 #include "ash/aura/wm_window_aura.h"
 #include "ash/common/wm/window_positioning_utils.h"
 #include "ash/common/wm/window_state.h"
+#include "ash/common/wm_window.h"
+#include "ash/common/wm_window_property.h"
 #include "ash/screen_util.h"
 #include "ash/test/ash_test_base.h"
 #include "ash/wm/window_state_aura.h"
+#include "ui/aura/client/aura_constants.h"
 #include "ui/aura/window.h"
 
 namespace ash {
@@ -92,4 +95,21 @@ TEST_F(WindowUtilTest, AdjustBoundsToEnsureMinimumVisibility) {
             GetAdjustedBounds(visible_bounds_left, gfx::Rect(0, 0, 150, 150)));
 }
 
+// Test that WmWindow can get a Rect property set by aura::Window
+TEST_F(WindowUtilTest, RectPropertyTest) {
+  std::unique_ptr<aura::Window> window(
+      CreateTestWindowInShellWithBounds(gfx::Rect()));
+
+  gfx::Rect* prop_rect = new gfx::Rect(0, 0, 100, 100);
+  window->SetProperty(aura::client::kVKNewBoundsKey, prop_rect);
+
+  WmWindow* wm_window = WmWindowAura::Get(window.get());
+  EXPECT_EQ(wm_window->GetRectProperty(WmWindowProperty::VK_NEW_BOUNDS),
+            prop_rect);
+
+  window->ClearProperty(aura::client::kVKNewBoundsKey);
+  EXPECT_EQ(wm_window->GetRectProperty(WmWindowProperty::VK_NEW_BOUNDS),
+            nullptr);
+}
+
 }  // namespace ash