[Cleanup] Remove StringPrintf from global namespace

chrome/browser/ui/ash/event_rewriter_unittest.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/ash/event_rewriter.h"
 
 #include "base/basictypes.h"
 #include "base/command_line.h"
 #include "base/prefs/public/pref_member.h"
 #include "base/stringprintf.h"
@@ skipping 34 matching lines @@
 std::string GetRewrittenEventAsString(EventRewriter* rewriter,
                                       ui::KeyboardCode ui_keycode,
                                       int ui_flags,
                                       ui::EventType ui_type,
                                       KeyCode x_keycode,
                                       unsigned int x_state) {
   XEvent xev;
   InitXKeyEvent(ui_keycode, ui_flags, ui_type, x_keycode, x_state, &xev);
   ui::KeyEvent keyevent(&xev, false /* is_char */);
   rewriter->RewriteForTesting(&keyevent);
-  return StringPrintf(
+  return base::StringPrintf(
       "ui_keycode=%d ui_flags=%d ui_type=%d x_keycode=%u x_state=%u x_type=%d",
       keyevent.key_code(), keyevent.flags(), keyevent.type(),
       xev.xkey.keycode, xev.xkey.state, xev.xkey.type);
 }
 
 std::string GetExpectedResultAsString(ui::KeyboardCode ui_keycode,
                                       int ui_flags,
                                       ui::EventType ui_type,
                                       KeyCode x_keycode,
                                       unsigned int x_state,
                                       int x_type) {
-  return StringPrintf(
+  return base::StringPrintf(
       "ui_keycode=%d ui_flags=%d ui_type=%d x_keycode=%u x_state=%u x_type=%d",
       ui_keycode, ui_flags, ui_type, x_keycode, x_state, x_type);
 }
 
 class EventRewriterTest : public testing::Test {
  public:
   EventRewriterTest()
       : display_(ui::GetXDisplay()),
         keycode_a_(XKeysymToKeycode(display_, XK_a)),
         keycode_alt_l_(XKeysymToKeycode(display_, XK_Alt_L)),
@@ skipping 2269 matching lines @@
 
   // Send left control press.
   std::string rewritten_event;
   {
     XEvent xev;
     InitXKeyEvent(ui::VKEY_CONTROL, 0, ui::ET_KEY_PRESSED,
                   keycode_control_l_, 0U, &xev);
     xev.xkey.send_event = True;  // XSendEvent() always does this.
     ui::KeyEvent keyevent(&xev, false /* is_char */);
     rewriter.RewriteForTesting(&keyevent);
-    rewritten_event = StringPrintf(
+    rewritten_event = base::StringPrintf(
         "ui_keycode=%d ui_flags=%d ui_type=%d "
         "x_keycode=%u x_state=%u x_type=%d",
         keyevent.key_code(), keyevent.flags(), keyevent.type(),
         xev.xkey.keycode, xev.xkey.state, xev.xkey.type);
   }
 
   // XK_Control_L (left Control key) should NOT be remapped to Alt if send_event
   // flag in the event is True.
   EXPECT_EQ(GetExpectedResultAsString(ui::VKEY_CONTROL,
                                       ui::EF_CONTROL_DOWN,
                                       ui::ET_KEY_PRESSED,
                                       keycode_control_l_,
                                       0U,
                                       KeyPress),
             rewritten_event);
 }
 #endif  // OS_CHROMEOS