Make callers of CommandLine use it via the base:: namespace.

chrome/browser/ui/views/tabs/tab_drag_controller_interactive_uitest.cc

 // Copyright (c) 2012 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 "chrome/browser/ui/views/tabs/tab_drag_controller_interactive_uitest.h"
 
 #include <algorithm>
 
 #include "ash/wm/window_state.h"
 #include "base/bind.h"
@@ skipping 1422 matching lines @@
 }
 
 // Subclass of DetachToBrowserTabDragControllerTest that
 // creates multiple displays.
 class DetachToBrowserInSeparateDisplayTabDragControllerTest
     : public DetachToBrowserTabDragControllerTest {
  public:
   DetachToBrowserInSeparateDisplayTabDragControllerTest() {}
   virtual ~DetachToBrowserInSeparateDisplayTabDragControllerTest() {}
 
-  virtual void SetUpCommandLine(CommandLine* command_line) override {
+  virtual void SetUpCommandLine(base::CommandLine* command_line) override {
     DetachToBrowserTabDragControllerTest::SetUpCommandLine(command_line);
     // Make screens sufficiently wide to host 2 browsers side by side.
     command_line->AppendSwitchASCII("ash-host-window-bounds",
                                     "0+0-600x600,601+0-600x600");
   }
 
  private:
   DISALLOW_COPY_AND_ASSIGN(
       DetachToBrowserInSeparateDisplayTabDragControllerTest);
 };
@@ skipping 357 matching lines @@
 }
 
 // Subclass of DetachToBrowserTabDragControllerTest that
 // creates multiple displays with different device scale factors.
 class DifferentDeviceScaleFactorDisplayTabDragControllerTest
     : public DetachToBrowserTabDragControllerTest {
  public:
   DifferentDeviceScaleFactorDisplayTabDragControllerTest() {}
   virtual ~DifferentDeviceScaleFactorDisplayTabDragControllerTest() {}
 
-  virtual void SetUpCommandLine(CommandLine* command_line) override {
+  virtual void SetUpCommandLine(base::CommandLine* command_line) override {
     DetachToBrowserTabDragControllerTest::SetUpCommandLine(command_line);
     command_line->AppendSwitchASCII("ash-host-window-bounds",
                                     "400x400,0+400-800x800*2");
   }
 
   float GetCursorDeviceScaleFactor() const {
     ash::test::CursorManagerTestApi cursor_test_api(
         ash::Shell::GetInstance()->cursor_manager());
     return cursor_test_api.GetCurrentCursor().device_scale_factor();
   }
@@ skipping 78 matching lines @@
   QuitWhenNotDragging();
 }
 
 namespace {
 
 class DetachToBrowserInSeparateDisplayAndCancelTabDragControllerTest
     : public TabDragControllerTest {
  public:
   DetachToBrowserInSeparateDisplayAndCancelTabDragControllerTest() {}
 
-  virtual void SetUpCommandLine(CommandLine* command_line) override {
+  virtual void SetUpCommandLine(base::CommandLine* command_line) override {
     TabDragControllerTest::SetUpCommandLine(command_line);
     command_line->AppendSwitchASCII("ash-host-window-bounds",
                                     "0+0-250x250,251+0-250x250");
   }
 
   bool Press(const gfx::Point& position) {
     return ui_test_utils::SendMouseMoveSync(position) &&
         ui_test_utils::SendMouseEventsSync(ui_controls::LEFT,
                                            ui_controls::DOWN);
   }
@@ skipping 277 matching lines @@
                         DetachToBrowserTabDragControllerTest,
                         ::testing::Values("mouse", "touch"));
 INSTANTIATE_TEST_CASE_P(TabDragging,
                         DetachToBrowserTabDragControllerTestTouch,
                         ::testing::Values("touch"));
 #elif defined(USE_ASH)
 INSTANTIATE_TEST_CASE_P(TabDragging,
                         DetachToBrowserTabDragControllerTest,
                         ::testing::Values("mouse"));
 #endif