Reland of Change extension icon load errors to warnings

extensions/common/file_util.cc

Index: extensions/common/file_util.cc
diff --git a/extensions/common/file_util.cc b/extensions/common/file_util.cc
index 90a78468cae548f7b2d76c097f9ebf710fca536a..3ddf6d0e402c7830ddd368a350012fc7b71accac 100644
--- a/extensions/common/file_util.cc
+++ b/extensions/common/file_util.cc
@@ -56,16 +56,6 @@
 };
 SafeInstallationFlag g_use_safe_installation = DEFAULT;
 
-// Returns true if the given file path exists and is not zero-length.
-bool ValidateFilePath(const base::FilePath& path) {
-  int64 size = 0;

[Lei Zhang, 2015/12/29 19:48:39]

avi@ got rid of base/basictypes.h, see chromium-dev PSA.

-  if (!base::PathExists(path) || !base::GetFileSize(path, &size) || size == 0) {
-    return false;
-  }
-
-  return true;
-}
-
 // Returns true if the extension installation should flush all files and the
 // directory.
 bool UseSafeInstallation() {