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

chrome/browser/media/webrtc/webrtc_browsertest.cc

Index: chrome/browser/media/webrtc/webrtc_browsertest.cc
diff --git a/chrome/browser/media/webrtc/webrtc_browsertest.cc b/chrome/browser/media/webrtc/webrtc_browsertest.cc
index 10ead6ad37b999e8fde2b38117f2b83ff0bc9cdf..98248e2d57218d58cdf3351b52781503fcc71406 100644
--- a/chrome/browser/media/webrtc/webrtc_browsertest.cc
+++ b/chrome/browser/media/webrtc/webrtc_browsertest.cc
@@ -3,7 +3,6 @@
 // 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"
@@ -99,7 +98,7 @@ class WebRtcBrowserTest : public WebRtcTestBase {
     DetectVideoAndHangUp();
   }
 
-protected:
+ protected:
   void StartServerAndOpenTabs() {
     ASSERT_TRUE(embedded_test_server()->Start());
     left_tab_ = OpenTestPageAndGetUserMediaInNewTab(kMainWebrtcTestHtmlPage);