Show the cursor if it was hidden when starting partical screenshot.

ash/utility/partial_screenshot_controller_unittest.cc

 // Copyright 2014 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "ash/utility/partial_screenshot_controller.h"
 
 #include "ash/display/cursor_window_controller.h"
 #include "ash/display/display_controller.h"
 #include "ash/screenshot_delegate.h"
 #include "ash/shell.h"
@@ skipping 15 matching lines @@
  protected:
   PartialScreenshotController* partial_screenshot_controller() {
     return Shell::GetInstance()->partial_screenshot_controller();
   }
 
   void StartPartialScreenshotSession() {
     partial_screenshot_controller()->StartPartialScreenshotSession(
         GetScreenshotDelegate());
   }
 
+  void Cancel() { partial_screenshot_controller()->Cancel(); }
+
   bool IsActive() {
     return partial_screenshot_controller()->screenshot_delegate_ != nullptr;
   }
 
   const gfx::Point& GetStartPosition() const {
     return Shell::GetInstance()
         ->partial_screenshot_controller()
         ->start_position_;
   }
 
@@ skipping 88 matching lines @@
   EXPECT_FALSE(IsActive());
 
   StartPartialScreenshotSession();
   EXPECT_TRUE(IsActive());
   UpdateDisplay("400x400");
   RunAllPendingInMessageLoop();
   EXPECT_FALSE(IsActive());
 }
 
 #if defined(OS_CHROMEOS)
+TEST_F(PartialScreenshotControllerTest, VisibilityTest) {
+  aura::client::CursorClient* client = Shell::GetInstance()->cursor_manager();
+
+  GetEventGenerator().PressKey(ui::VKEY_A, 0);
+  GetEventGenerator().ReleaseKey(ui::VKEY_A, 0);
+
+  EXPECT_FALSE(client->IsCursorVisible());
+
+  StartPartialScreenshotSession();
+  EXPECT_TRUE(IsActive());
+  EXPECT_TRUE(client->IsCursorVisible());
+
+  Cancel();
+  EXPECT_TRUE(client->IsCursorVisible());
+}
+
 // Make sure PartialScreenshotController doesn't prevent handling of large
 // cursor. See http://crbug.com/459214
 TEST_F(PartialScreenshotControllerTest, LargeCursor) {
   Shell::GetInstance()->cursor_manager()->SetCursorSet(ui::CURSOR_SET_LARGE);
   Shell::GetInstance()
       ->display_controller()
       ->cursor_window_controller()
       ->SetCursorCompositingEnabled(true);
 
   // Large cursor is represented as cursor window.
@@ skipping 23 matching lines @@
   event_generator.ReleaseLeftButton();
 
   EXPECT_EQ(1, GetScreenshotDelegate()->handle_take_partial_screenshot_count());
   EXPECT_EQ("1,1 5x5", GetScreenshotDelegate()->last_rect().ToString());
   RunAllPendingInMessageLoop();
   EXPECT_FALSE(IsActive());
 }
 #endif
 
 }  // namespace ash