Use a direct include of strings headers in content/browser/, part 2.

content/browser/renderer_host/media/video_capture_oracle_unittest.cc

 // Copyright (c) 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 "content/browser/renderer_host/media/video_capture_oracle.h"
 
-#include "base/stringprintf.h"
+#include "base/strings/stringprintf.h"
 #include "base/time.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
 namespace content {
 namespace {
 
 void SteadyStateSampleAndAdvance(base::TimeDelta vsync,
                                  SmoothEventSampler* sampler, base::Time* t) {
   ASSERT_TRUE(sampler->AddEventAndConsiderSampling(*t));
   ASSERT_TRUE(sampler->HasUnrecordedEvent());
@@ skipping 451 matching lines @@
     { false, 0 }, { true, 16.72 }, { true, 33.44 }, { false, 0 },
     { true, 33.441 }, { false, 16.72 }, { true, 16.72 }, { true, 50.16 }
   };
 
   SmoothEventSampler sampler(base::TimeDelta::FromSeconds(1) / 30, true, 3);
   ReplayCheckingSamplerDecisions(data_points, arraysize(data_points), &sampler);
 }
 
 }  // namespace
 }  // namespace content