[c++11 library] Remove ScopedVector

https://bugs.chromium.org/p/chromium/issues/detail?id=554289

atom/utility/atom_content_utility_client.cc

@@ -5,6 +5,7 @@
 #include "atom/utility/atom_content_utility_client.h"
 
 #if defined(OS_WIN)
+#include "base/memory/ptr_util.h"
 #include "chrome/utility/printing_handler_win.h"
 #endif
 
@@ -12,7 +13,7 @@ namespace atom {
 
 AtomContentUtilityClient::AtomContentUtilityClient() {
 #if defined(OS_WIN)
-  handlers_.push_back(new printing::PrintingHandlerWin());
+  handlers_.push_back(base::MakeUnique<printing::PrintingHandlerWin>());
 #endif
 }
 
@@ -22,7 +23,7 @@ AtomContentUtilityClient::~AtomContentUtilityClient() {
 bool AtomContentUtilityClient::OnMessageReceived(
     const IPC::Message& message) {
 #if defined(OS_WIN)
-  for (auto* handler : handlers_) {
+  for (const auto& handler : handlers_) {
     if (handler->OnMessageReceived(message))
       return true;
   }

atom/utility/atom_content_utility_client.h

@@ -5,10 +5,10 @@
 #ifndef ATOM_UTILITY_ATOM_CONTENT_UTILITY_CLIENT_H_
 #define ATOM_UTILITY_ATOM_CONTENT_UTILITY_CLIENT_H_
 
+#include <memory>
 #include <vector>
 
 #include "base/compiler_specific.h"
-#include "base/memory/scoped_vector.h"
 #include "content/public/utility/content_utility_client.h"
 
 class UtilityMessageHandler;
@@ -24,7 +24,7 @@ class AtomContentUtilityClient : public content::ContentUtilityClient {
 
  private:
 #if defined(OS_WIN)
-  typedef ScopedVector<UtilityMessageHandler> Handlers;
+  typedef std::vector<std::unique_ptr<UtilityMessageHandler>> Handlers;
   Handlers handlers_;
 #endif