Move extensions manifest IconsHandler to //extensions

chrome/common/extensions/extension_file_util.h

Index: chrome/common/extensions/extension_file_util.h
diff --git a/chrome/common/extensions/extension_file_util.h b/chrome/common/extensions/extension_file_util.h
index 4a94687772565e6731b0b928f56ec8b3e42c6462..785513583066b2a4371ce886312d81834254764c 100644
--- a/chrome/common/extensions/extension_file_util.h
+++ b/chrome/common/extensions/extension_file_util.h
@@ -12,8 +12,6 @@
 #include "base/memory/ref_counted.h"
 #include "extensions/common/manifest.h"
 
-class ExtensionIconSet;
-
 namespace base {
 class DictionaryValue;
 class FilePath;
@@ -62,16 +60,6 @@ scoped_refptr<extensions::Extension> LoadExtension(
 base::DictionaryValue* LoadManifest(const base::FilePath& extension_root,
                                     std::string* error);
 
-// Returns true if the given file path exists and is not zero-length.
-bool ValidateFilePath(const base::FilePath& path);
-
-// Returns true if the icons in the icon set exist. Oherwise, populates
-// |error| with the |error_message_id| for an invalid file.
-bool ValidateExtensionIconSet(const ExtensionIconSet& icon_set,
-                              const extensions::Extension* extension,
-                              int error_message_id,
-                              std::string* error);
-
 // Returns true if the given extension object is valid and consistent.
 // May also append a series of warning messages to |warnings|, but they
 // should not prevent the extension from running.