Convert //components/mus from scoped_ptr to std::unique_ptr

components/mus/public/cpp/context_provider.h

Index: components/mus/public/cpp/context_provider.h
diff --git a/components/mus/public/cpp/context_provider.h b/components/mus/public/cpp/context_provider.h
index 8b93a2f7ea7d13aa3339f3a3c65460e60bb99a3f..973aa7a71254f4686b99ee37b5d425bc5824c103 100644
--- a/components/mus/public/cpp/context_provider.h
+++ b/components/mus/public/cpp/context_provider.h
@@ -7,8 +7,9 @@
 
 #include <stdint.h>
 
+#include <memory>
+
 #include "base/macros.h"
-#include "base/memory/scoped_ptr.h"
 #include "base/synchronization/lock.h"
 #include "cc/output/context_provider.h"
 #include "mojo/public/c/gles2/gles2_types.h"
@@ -45,7 +46,7 @@ class ContextProvider : public cc::ContextProvider {
 
   mojo::ScopedMessagePipeHandle command_buffer_handle_;
   MojoGLES2Context context_;
-  scoped_ptr<gpu::gles2::GLES2Interface> context_gl_;
+  std::unique_ptr<gpu::gles2::GLES2Interface> context_gl_;
 
   base::Lock context_lock_;