Convert //cc from scoped_ptr to std::unique_ptr.

cc/debug/frame_rate_counter.cc

Index: cc/debug/frame_rate_counter.cc
diff --git a/cc/debug/frame_rate_counter.cc b/cc/debug/frame_rate_counter.cc
index a6b4a44519bc6b8afc2684b8ca50322ac66cfa5e..928c27ce5f124ef3ad3b87ab67f0ae496de52e63 100644
--- a/cc/debug/frame_rate_counter.cc
+++ b/cc/debug/frame_rate_counter.cc
@@ -9,6 +9,7 @@
 #include <algorithm>
 #include <limits>
 
+#include "base/memory/ptr_util.h"
 #include "base/metrics/histogram.h"
 #include "cc/trees/proxy.h"
 
@@ -33,8 +34,9 @@ static const double kFrameTooSlow = 1.5;
 static const double kDroppedFrameTime = 1.0 / 50.0;
 
 // static
-scoped_ptr<FrameRateCounter> FrameRateCounter::Create(bool has_impl_thread) {
-  return make_scoped_ptr(new FrameRateCounter(has_impl_thread));
+std::unique_ptr<FrameRateCounter> FrameRateCounter::Create(
+    bool has_impl_thread) {
+  return base::WrapUnique(new FrameRateCounter(has_impl_thread));
 }
 
 base::TimeDelta FrameRateCounter::RecentFrameInterval(size_t n) const {