Allow extension extensions to be case-insensitive.

BUG=none
TEST=try to load an extension with a capital letter or two in the extension's extension. It should load.

Review URL: http://codereview.chromium.org/147017

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@19520 0039d316-1c4b-4281-b951-d872f2087c98

1 files changed, 12 insertions, 0 deletions

diff --git a/base/file_path.cc b/base/file_path.cc
index e3dfbbd..6712d70 100644
--- a/base/file_path.cc
+++ b/base/file_path.cc
@@ -284,6 +284,18 @@ FilePath FilePath::ReplaceExtension(const StringType& extension) const {
   return FilePath(str);
 }
 
+bool FilePath::MatchesExtension(const StringType& extension) const {
+  FilePath::StringType current_extension = Extension();
+
+  if (current_extension.length() != extension.length())
+    return false;
+
+  return std::equal(extension.begin(),
+                    extension.end(),
+                    current_extension.begin(),
+                    CaseInsensitiveCompare<FilePath::CharType>());
+}
+
 FilePath FilePath::Append(const StringType& component) const {
   DCHECK(!IsPathAbsolute(component));
   if (path_.compare(kCurrentDirectory) == 0) {