Move blink::PluginData, blink::PluginInfo, blink::MimeTypeInfo to oilpan heap.

third_party/WebKit/Source/modules/plugins/DOMPluginArray.cpp

 /*
  *  Copyright (C) 2008 Nokia Corporation and/or its subsidiary(-ies)
  *  Copyright (C) 2008 Apple Inc. All rights reserved.
  *
  *  This library is free software; you can redistribute it and/or
  *  modify it under the terms of the GNU Lesser General Public
  *  License as published by the Free Software Foundation; either
  *  version 2 of the License, or (at your option) any later version.
  *
  *  This library is distributed in the hope that it will be useful,
@@ skipping 28 matching lines @@
   PluginData* data = GetPluginData();
   if (!data)
     return 0;
   return data->Plugins().size();
 }
 
 DOMPlugin* DOMPluginArray::item(unsigned index) {
   PluginData* data = GetPluginData();
   if (!data)
     return nullptr;
-  const Vector<PluginInfo>& plugins = data->Plugins();
+  const HeapVector<Member<PluginInfo>>& plugins = data->Plugins();
   if (index >= plugins.size())
     return nullptr;
-  return DOMPlugin::Create(data, GetFrame(), index);
+  return DOMPlugin::Create(GetFrame(), plugins[index]);
 }
 
 DOMPlugin* DOMPluginArray::namedItem(const AtomicString& property_name) {
   PluginData* data = GetPluginData();
   if (!data)
     return nullptr;
-  const Vector<PluginInfo>& plugins = data->Plugins();
-  for (unsigned i = 0; i < plugins.size(); ++i) {
-    if (plugins[i].name == property_name)
-      return DOMPlugin::Create(data, GetFrame(), i);
+  const HeapVector<Member<PluginInfo>>& plugins = data->Plugins();
+  for (const PluginInfo* plugin : plugins) {

[tkent, 2017/05/25 00:10:32]

The local variable |plugins| isn't necessary.

for (const auto& plugin : data->Plugins()) {

[lfg, 2017/05/25 01:42:40]

Done.

+    if (plugin->name() == property_name)
+      return DOMPlugin::Create(GetFrame(), plugin);
   }
   return nullptr;
 }
 
 void DOMPluginArray::refresh(bool reload) {
   if (!GetFrame())
     return;
   Page::RefreshPlugins();
   if (reload) {
     GetFrame()->Reload(kFrameLoadTypeReload,
                        ClientRedirectPolicy::kClientRedirect);
   }
 }
 
 PluginData* DOMPluginArray::GetPluginData() const {
   if (!GetFrame())
     return nullptr;
   return GetFrame()->GetPluginData();
 }
 
 }  // namespace blink