Update {virtual,override,final} to follow C++11 style chrome/browser/ui.

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

Index: chrome/browser/ui/views/tabs/tab_drag_controller_interactive_uitest.cc
diff --git a/chrome/browser/ui/views/tabs/tab_drag_controller_interactive_uitest.cc b/chrome/browser/ui/views/tabs/tab_drag_controller_interactive_uitest.cc
index 8443bdca0a47b2e3798eefcb06d940de77a129e7..9be153ab0f329f44d9976e0e9c12f7c5fb97cd51 100644
--- a/chrome/browser/ui/views/tabs/tab_drag_controller_interactive_uitest.cc
+++ b/chrome/browser/ui/views/tabs/tab_drag_controller_interactive_uitest.cc
@@ -1440,7 +1440,7 @@ class DetachToBrowserInSeparateDisplayTabDragControllerTest
   DetachToBrowserInSeparateDisplayTabDragControllerTest() {}
   virtual ~DetachToBrowserInSeparateDisplayTabDragControllerTest() {}
 
-  virtual void SetUpCommandLine(base::CommandLine* command_line) override {
+  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",
@@ -1818,7 +1818,7 @@ class DifferentDeviceScaleFactorDisplayTabDragControllerTest
   DifferentDeviceScaleFactorDisplayTabDragControllerTest() {}
   virtual ~DifferentDeviceScaleFactorDisplayTabDragControllerTest() {}
 
-  virtual void SetUpCommandLine(base::CommandLine* command_line) override {
+  void SetUpCommandLine(base::CommandLine* command_line) override {
     DetachToBrowserTabDragControllerTest::SetUpCommandLine(command_line);
     command_line->AppendSwitchASCII("ash-host-window-bounds",
                                     "400x400,0+400-800x800*2");
@@ -1918,7 +1918,7 @@ class DetachToBrowserInSeparateDisplayAndCancelTabDragControllerTest
  public:
   DetachToBrowserInSeparateDisplayAndCancelTabDragControllerTest() {}
 
-  virtual void SetUpCommandLine(base::CommandLine* command_line) override {
+  void SetUpCommandLine(base::CommandLine* command_line) override {
     TabDragControllerTest::SetUpCommandLine(command_line);
     command_line->AppendSwitchASCII("ash-host-window-bounds",
                                     "0+0-250x250,251+0-250x250");