Added new fileBrowserPrivate and fileHandler extension APIs

chrome/common/extensions/extension_constants.h

Index: chrome/common/extensions/extension_constants.h
===================================================================
--- chrome/common/extensions/extension_constants.h	(revision 81212)
+++ chrome/common/extensions/extension_constants.h	(working copy)
@@ -24,6 +24,8 @@
   extern const char* kDescription;
   extern const char* kDevToolsPage;
   extern const char* kExcludeGlobs;
+  extern const char* kFileFilters;
+  extern const char* kFileBrowserActions;
   extern const char* kHomepageURL;
   extern const char* kIcons;
   extern const char* kIncognito;
@@ -129,6 +131,9 @@
   extern const char* kInvalidDefaultLocale;
   extern const char* kInvalidDescription;
   extern const char* kInvalidDevToolsPage;
+  extern const char* kInvalidFileBrowserAction;
+  extern const char* kInvalidFileFiltersList;
+  extern const char* kInvalidFileFilterValue;
   extern const char* kInvalidGlob;
   extern const char* kInvalidGlobList;
   extern const char* kInvalidHomepageURL;
@@ -197,6 +202,7 @@
   extern const char* kInvalidTtsVoicesLocale;
   extern const char* kInvalidTtsVoicesVoiceName;
   extern const char* kInvalidUpdateURL;
+  extern const char* kInvalidURLPatternError;
   extern const char* kInvalidVersion;
   extern const char* kInvalidWebURL;
   extern const char* kInvalidWebURLs;