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

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

Index: third_party/WebKit/Source/modules/plugins/DOMPluginArray.cpp
diff --git a/third_party/WebKit/Source/modules/plugins/DOMPluginArray.cpp b/third_party/WebKit/Source/modules/plugins/DOMPluginArray.cpp
index af7a2bfb5d66dfce3c27691744790da25f4ff906..3cd8bbf47c552c16f38792924c40a5adf69737cb 100644
--- a/third_party/WebKit/Source/modules/plugins/DOMPluginArray.cpp
+++ b/third_party/WebKit/Source/modules/plugins/DOMPluginArray.cpp
@@ -46,20 +46,20 @@ 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;
 }