Convert ReplaceStringPlaceholders(std::string...) to take a
StringPiece as the format string instead.  This allows us to save
a string copy in the new tab page.

Also clean up some code in the extensions process binding that
was doing excess string conversions.

BUG=26228

Review URL: http://codereview.chromium.org/347019

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@30491 0039d316-1c4b-4281-b951-d872f2087c98


CrOS-Libchrome-Original-Commit: 08daf0542dc5743a82bf55e8684bf1625ad7d997
2 files changed
tree: 3ad72a63913b60530ebd273dfb444af129730e8f
  1. base/
  2. build/
  3. ipc/
  4. testing/