Convert //gin to use std::unique_ptr

gin/public/isolate_holder.h

Index: gin/public/isolate_holder.h
diff --git a/gin/public/isolate_holder.h b/gin/public/isolate_holder.h
index cb51c2f0844e8f6dcfcd2db0b3a40c493e670a15..7cf3d94ac898bed0ce2023d670fdb59082471e78 100644
--- a/gin/public/isolate_holder.h
+++ b/gin/public/isolate_holder.h
@@ -5,8 +5,9 @@
 #ifndef GIN_PUBLIC_ISOLATE_HOLDER_H_
 #define GIN_PUBLIC_ISOLATE_HOLDER_H_
 
+#include <memory>
+
 #include "base/macros.h"
-#include "base/memory/scoped_ptr.h"
 #include "gin/gin_export.h"
 #include "gin/public/v8_idle_task_runner.h"
 #include "v8/include/v8.h"
@@ -74,7 +75,7 @@ class GIN_EXPORT IsolateHolder {
   // This method returns if v8::Locker is needed to access isolate.
   AccessMode access_mode() const { return access_mode_; }
 
-  void EnableIdleTasks(scoped_ptr<V8IdleTaskRunner> idle_task_runner);
+  void EnableIdleTasks(std::unique_ptr<V8IdleTaskRunner> idle_task_runner);
 
   // This method returns V8IsolateMemoryDumpProvider of this isolate, used for
   // testing.
@@ -85,9 +86,9 @@ class GIN_EXPORT IsolateHolder {
 
  private:
   v8::Isolate* isolate_;
-  scoped_ptr<PerIsolateData> isolate_data_;
-  scoped_ptr<RunMicrotasksObserver> task_observer_;
-  scoped_ptr<V8IsolateMemoryDumpProvider> isolate_memory_dump_provider_;
+  std::unique_ptr<PerIsolateData> isolate_data_;
+  std::unique_ptr<RunMicrotasksObserver> task_observer_;
+  std::unique_ptr<V8IsolateMemoryDumpProvider> isolate_memory_dump_provider_;
   AccessMode access_mode_;
 
   DISALLOW_COPY_AND_ASSIGN(IsolateHolder);