iwyu: Include stringprintf.h where appropriate, part 1.

chrome/browser/debugger/devtools_window.cc

 // Copyright (c) 2011 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 "base/command_line.h"
 #include "base/json/json_writer.h"
+#include "base/stringprintf.h"
 #include "base/string_number_conversions.h"
 #include "base/utf_string_conversions.h"
 #include "base/values.h"
 #include "chrome/browser/browser_process.h"
 #include "chrome/browser/debugger/devtools_manager.h"
 #include "chrome/browser/debugger/devtools_window.h"
 #include "chrome/browser/extensions/extension_service.h"
 #include "chrome/browser/load_notification_details.h"
 #include "chrome/browser/prefs/pref_service.h"
 #include "chrome/browser/prefs/scoped_user_pref_update.h"
@@ skipping 438 matching lines @@
   if (docked_) {
     if (event.windowsKeyCode == 0x08) {
       // Do not navigate back in history on Windows (http://crbug.com/74156).
       return;
     }
     BrowserWindow* inspected_window = GetInspectedBrowserWindow();
     if (inspected_window)
       inspected_window->HandleKeyboardEvent(event);
   }
 }