Prefix CommandLine usage with base namespace (Part 4: ash/)

ash/touch/touch_observer_hud_unittest.cc

 // Copyright (c) 2013 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/touch/touch_observer_hud.h"
 
 #include "ash/ash_switches.h"
 #include "ash/display/display_manager.h"
 #include "ash/root_window_controller.h"
 #include "ash/screen_util.h"
@@ skipping 199 matching lines @@
 };
 
 class TouchHudDebugTest : public TouchHudTestBase {
  public:
   TouchHudDebugTest() {}
   ~TouchHudDebugTest() override {}
 
   void SetUp() override {
     // Add ash-touch-hud flag to enable debug touch HUD. This flag should be set
     // before Ash environment is set up, i.e., before TouchHudTestBase::SetUp().
-    CommandLine::ForCurrentProcess()->AppendSwitch(
+    base::CommandLine::ForCurrentProcess()->AppendSwitch(
         ash::switches::kAshTouchHud);
 
     TouchHudTestBase::SetUp();
   }
 
   void CheckInternalDisplay() {
     EXPECT_NE(static_cast<TouchObserverHUD*>(NULL), GetInternalTouchHudDebug());
     EXPECT_EQ(internal_display_id(), GetInternalTouchHudDebug()->display_id());
     EXPECT_EQ(GetInternalRootWindow(),
               GetRootWindowForTouchHud(GetInternalTouchHudDebug()));
@@ skipping 354 matching lines @@
 
   SendTouchEventToInternalHud(ui::ET_TOUCH_PRESSED, gfx::Point(10, 10), 1);
   EXPECT_EQ(1, GetInternalTouchPointsCount());
 
   // Disabling projection touch HUD shoud remove it without crashing.
   DisableTouchHudProjection();
   EXPECT_EQ(NULL, GetInternalTouchHudProjection());
 }
 
 }  // namespace ash