Remove unneeded stringprintf.h usage in chrome/ and net/

chrome/browser/media/webrtc/webrtc_browsertest.cc

 // Copyright 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 "base/command_line.h"
-#include "base/strings/stringprintf.h"
 #include "build/build_config.h"
 #include "chrome/browser/media/webrtc/webrtc_browsertest_base.h"
 #include "chrome/browser/media/webrtc/webrtc_browsertest_common.h"
 #include "chrome/browser/ui/browser.h"
 #include "chrome/browser/ui/browser_tabstrip.h"
 #include "chrome/browser/ui/tabs/tab_strip_model.h"
 #include "chrome/common/chrome_switches.h"
 #include "chrome/test/base/in_process_browser_test.h"
 #include "chrome/test/base/ui_test_utils.h"
 #include "content/public/common/content_switches.h"
@@ skipping 75 matching lines @@
 
     SetupPeerconnectionWithCertificateAndLocalStream(
         left_tab_, "gCertificateClone");
     SetupPeerconnectionWithLocalStream(right_tab_, cert_keygen_alg);
 
     NegotiateCall(left_tab_, right_tab_);
 
     DetectVideoAndHangUp();
   }
 
-protected:
+ protected:
   void StartServerAndOpenTabs() {
     ASSERT_TRUE(embedded_test_server()->Start());
     left_tab_ = OpenTestPageAndGetUserMediaInNewTab(kMainWebrtcTestHtmlPage);
     right_tab_ = OpenTestPageAndGetUserMediaInNewTab(kMainWebrtcTestHtmlPage);
   }
 
   void DetectVideoAndHangUp() {
     StartDetectingVideo(left_tab_, "remote-view");
     StartDetectingVideo(right_tab_, "remote-view");
 #if !defined(OS_MACOSX)
@@ skipping 106 matching lines @@
                        RunsAudioVideoWebRTCCallInTwoTabsGetStatsPromise) {
   StartServerAndOpenTabs();
   SetupPeerconnectionWithLocalStream(left_tab_);
   SetupPeerconnectionWithLocalStream(right_tab_);
   NegotiateCall(left_tab_, right_tab_);
 
   VerifyStatsGeneratedPromise(left_tab_);
 
   DetectVideoAndHangUp();
 }