file_browser_handler/ -> remove linked_ptr usage.

chrome/common/extensions/api/file_browser_handlers/file_browser_handler.h

Index: chrome/common/extensions/api/file_browser_handlers/file_browser_handler.h
diff --git a/chrome/common/extensions/api/file_browser_handlers/file_browser_handler.h b/chrome/common/extensions/api/file_browser_handlers/file_browser_handler.h
index b0f2384369fd33a00c6f26ee60a666c71d06053e..8990c79ef2a53faf2fde13dee06c285247cdace8 100644
--- a/chrome/common/extensions/api/file_browser_handlers/file_browser_handler.h
+++ b/chrome/common/extensions/api/file_browser_handlers/file_browser_handler.h
@@ -19,7 +19,7 @@ class URLPattern;
 // FileBrowserHandler encapsulates the state of a file browser action.
 class FileBrowserHandler {
  public:
-  typedef std::vector<linked_ptr<FileBrowserHandler> > List;
+  using List = std::vector<std::unique_ptr<FileBrowserHandler>>;
 
   FileBrowserHandler();
   ~FileBrowserHandler();
@@ -82,6 +82,8 @@ class FileBrowserHandler {
 
   // A list of file filters.
   extensions::URLPatternSet url_set_;
+
+  DISALLOW_COPY_AND_ASSIGN(FileBrowserHandler);
 };
 
 // Parses the "file_browser_handlers" extension manifest key.
@@ -94,6 +96,8 @@ class FileBrowserHandlerParser : public extensions::ManifestHandler {
 
  private:
   const std::vector<std::string> Keys() const override;
+
+  DISALLOW_COPY_AND_ASSIGN(FileBrowserHandlerParser);
 };
 
 #endif  // CHROME_COMMON_EXTENSIONS_API_FILE_BROWSER_HANDLERS_FILE_BROWSER_HANDLER_H_