remove std::mutex to shrink so size

src/framework/scope.cpp

@@ -22,7 +22,6 @@ namespace paddle_mobile {
 namespace framework {
 
 Scope &Scope::NewScope() const {
-  std::unique_lock<std::mutex> lock(mutex_);
   kids_.push_back(new Scope(this));
   return *kids_.back();
 }
@@ -72,7 +71,6 @@ std::vector<std::string> Scope::LocalVarNames() const {
 }
 
 void Scope::DeleteScope(Scope *scope) const {
-  std::unique_lock<std::mutex> lock(mutex_);
   auto it = std::find(kids_.begin(), kids_.end(), scope);
   kids_.erase(it);
   delete scope;

src/framework/scope.h

@@ -15,7 +15,6 @@ limitations under the License. */
 #pragma once
 
 #include <list>
-#include <mutex>
 #include <unordered_map>
 #include "variable.h"
 
@@ -71,7 +70,6 @@ class Scope {
   mutable std::list<Scope *> kids_;
   Scope const *parent_{nullptr};
 
-  mutable std::mutex mutex_;
 };
 }  // namespace framework
 }  // namespace paddle_mobile

src/framework/tensor.h

@@ -14,7 +14,7 @@ limitations under the License. */
 
 #pragma once
 
-#include <common/enforce.h>
+#include "common/enforce.h"
 #include <cstdint>
 #include <cstring>
 #include <memory>