[Extensions] Remove mechanism for non-generated schemas

chrome/common/extensions/chrome_extensions_client.h

Index: chrome/common/extensions/chrome_extensions_client.h
diff --git a/chrome/common/extensions/chrome_extensions_client.h b/chrome/common/extensions/chrome_extensions_client.h
index ec257f756871f701c0cb4d5c7ec7d721bc4ed1a6..b75404ad111afed2ee02dfc073f5c57b96b2a451 100644
--- a/chrome/common/extensions/chrome_extensions_client.h
+++ b/chrome/common/extensions/chrome_extensions_client.h
@@ -44,7 +44,6 @@ class ChromeExtensionsClient : public ExtensionsClient {
   bool IsScriptableURL(const GURL& url, std::string* error) const override;
   bool IsAPISchemaGenerated(const std::string& name) const override;
   base::StringPiece GetAPISchema(const std::string& name) const override;
-  void RegisterAPISchemaResources(ExtensionAPI* api) const override;
   bool ShouldSuppressFatalErrors() const override;
   void RecordDidSuppressFatalError() override;
   std::string GetWebstoreBaseURL() const override;