Replace scoped_ptr with std::unique_ptr in //media/base.

cc/output/renderer_pixeltest.cc

Index: cc/output/renderer_pixeltest.cc
diff --git a/cc/output/renderer_pixeltest.cc b/cc/output/renderer_pixeltest.cc
index 5451829e117a5b6244b4a5c39ce1376459ada90c..b6af4b6e0d5f7f10730a2a8890dcff726c4930eb 100644
--- a/cc/output/renderer_pixeltest.cc
+++ b/cc/output/renderer_pixeltest.cc
@@ -4,6 +4,7 @@
 
 #include <stddef.h>
 #include <stdint.h>
+#include <memory>
 
 #include "base/message_loop/message_loop.h"
 #include "cc/output/gl_renderer.h"
@@ -1214,7 +1215,7 @@ TEST_F(VideoGLRendererPixelTest, SimpleNV12JRect) {
   gfx::Rect rect(this->device_viewport_size_);
 
   RenderPassId id(1, 1);
-  scoped_ptr<RenderPass> pass = CreateTestRootRenderPass(id, rect);
+  std::unique_ptr<RenderPass> pass = CreateTestRootRenderPass(id, rect);
 
   SharedQuadState* shared_state =
       CreateTestSharedQuadState(gfx::Transform(), rect, pass.get());