Convert //content/renderer from scoped_ptr to std::unique_ptr

content/renderer/pepper/mock_renderer_ppapi_host.h

Index: content/renderer/pepper/mock_renderer_ppapi_host.h
diff --git a/content/renderer/pepper/mock_renderer_ppapi_host.h b/content/renderer/pepper/mock_renderer_ppapi_host.h
index aa0b59eac1f3e7653ed5e55a94dd0b67d44510e3..84e6ff4d253591bd29036ec94937bce1b53ec09a 100644
--- a/content/renderer/pepper/mock_renderer_ppapi_host.h
+++ b/content/renderer/pepper/mock_renderer_ppapi_host.h
@@ -5,8 +5,9 @@
 #ifndef CONTENT_RENDERER_PEPPER_MOCK_RENDERER_PPAPI_HOST_H_
 #define CONTENT_RENDERER_PEPPER_MOCK_RENDERER_PPAPI_HOST_H_
 
+#include <memory>
+
 #include "base/macros.h"
-#include "base/memory/scoped_ptr.h"
 #include "content/public/renderer/renderer_ppapi_host.h"
 #include "content/renderer/pepper/content_renderer_pepper_host_factory.h"
 #include "ppapi/host/ppapi_host.h"
@@ -68,7 +69,7 @@ class MockRendererPpapiHost : public RendererPpapiHost {
 
   bool has_user_gesture_;
 
-  scoped_ptr<FakePepperPluginInstance> plugin_instance_;
+  std::unique_ptr<FakePepperPluginInstance> plugin_instance_;
 
   DISALLOW_COPY_AND_ASSIGN(MockRendererPpapiHost);
 };