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

third_party/WebKit/Source/modules/plugins/DOMPlugin.h

Index: third_party/WebKit/Source/modules/plugins/DOMPlugin.h
diff --git a/third_party/WebKit/Source/modules/plugins/DOMPlugin.h b/third_party/WebKit/Source/modules/plugins/DOMPlugin.h
index d859c77002119934445a5e12db6e1924df270e72..9c80d1f69e40772f75352b010922323cd8ee58bc 100644
--- a/third_party/WebKit/Source/modules/plugins/DOMPlugin.h
+++ b/third_party/WebKit/Source/modules/plugins/DOMPlugin.h
@@ -29,8 +29,6 @@
 
 namespace blink {
 
-class PluginData;
-
 class DOMPlugin final : public GarbageCollectedFinalized<DOMPlugin>,
                         public ScriptWrappable,
                         public ContextClient {
@@ -38,10 +36,8 @@ class DOMPlugin final : public GarbageCollectedFinalized<DOMPlugin>,
   DEFINE_WRAPPERTYPEINFO();
 
  public:
-  static DOMPlugin* Create(PluginData* plugin_data,
-                           LocalFrame* frame,
-                           unsigned index) {
-    return new DOMPlugin(plugin_data, frame, index);
+  static DOMPlugin* Create(LocalFrame* frame, const PluginInfo* plugin_info) {

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

Make the second argument |const PluginInfo&| to ensure it can't be nullptr.

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

Done.

+    return new DOMPlugin(frame, plugin_info);
   }
   virtual ~DOMPlugin();
 
@@ -57,14 +53,9 @@ class DOMPlugin final : public GarbageCollectedFinalized<DOMPlugin>,
   DECLARE_VIRTUAL_TRACE();
 
  private:
-  DOMPlugin(PluginData*, LocalFrame*, unsigned index);
-
-  const PluginInfo& GetPluginInfo() const {
-    return plugin_data_->Plugins()[index_];
-  }
+  explicit DOMPlugin(LocalFrame*, const PluginInfo*);

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

Do not add |explicit|.
Make the second argument |const PluginInfo&| to ensure it can't be nullptr.

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

Done.

 
-  RefPtr<PluginData> plugin_data_;
-  unsigned index_;
+  Member<const PluginInfo> plugin_info_;
 };
 
 }  // namespace blink