[Extensions Bindings] Store API type methods in the reference map

extensions/renderer/api_type_reference_map.h

Index: extensions/renderer/api_type_reference_map.h
diff --git a/extensions/renderer/api_type_reference_map.h b/extensions/renderer/api_type_reference_map.h
index cf572bd167781bb5e1a49c75f4a7eb4c8aad97db..e96099657025babc2b2db603a882ad973449e1d8 100644
--- a/extensions/renderer/api_type_reference_map.h
+++ b/extensions/renderer/api_type_reference_map.h
@@ -13,10 +13,10 @@
 #include "base/macros.h"
 
 namespace extensions {
+class APISignature;
 class ArgumentSpec;
 
-// A map from type name -> ArgumentSpec for API type definitions. This is used
-// when an argument is declared to be a reference to a type defined elsewhere.
+// A map storing type specifications and method signatures for API definitions.
 class APITypeReferenceMap {
  public:
   // A callback used to initialize an unknown type, so that these can be
@@ -32,6 +32,17 @@ class APITypeReferenceMap {
   // Returns the spec for the given |name|.
   const ArgumentSpec* GetSpec(const std::string& name) const;
 
+  // Adds the |signature| to the map under the given |name|. |name| is expected
+  // to be fully qualified with API, type, and method (e.g.
+  // storage.StorageArea.get).
+  void AddTypeMethodSignature(const std::string& name,
+                              std::unique_ptr<APISignature> signature);
+
+  // Returns the signature for the given |name|. |name| is expected
+  // to be fully qualified with API, type, and method (e.g.
+  // storage.StorageArea.get).
+  const APISignature* GetTypeMethodSignature(const std::string& name) const;
+
   bool empty() const { return type_refs_.empty(); }
   size_t size() const { return type_refs_.size(); }
 
@@ -40,6 +51,8 @@ class APITypeReferenceMap {
 
   std::map<std::string, std::unique_ptr<ArgumentSpec>> type_refs_;
 
+  std::map<std::string, std::unique_ptr<APISignature>> type_methods_;
+
   DISALLOW_COPY_AND_ASSIGN(APITypeReferenceMap);
 };