Rename pnacl_file_host to nacl_file_host.

chrome/browser/component_updater/pnacl/pnacl_component_installer.cc

Index: chrome/browser/component_updater/pnacl/pnacl_component_installer.cc
diff --git a/chrome/browser/component_updater/pnacl/pnacl_component_installer.cc b/chrome/browser/component_updater/pnacl/pnacl_component_installer.cc
index 5f59d17fc6e3b2f6b14f8b0746301f345ae5e6a6..8f48641cb528a9cc07e44f9e78ce9a8fe5826a73 100644
--- a/chrome/browser/component_updater/pnacl/pnacl_component_installer.cc
+++ b/chrome/browser/component_updater/pnacl/pnacl_component_installer.cc
@@ -49,7 +49,7 @@ const char kPnaclManifestNamePrefix[] = "PNaCl";
 
 // Sanitize characters from Pnacl Arch value so that they can be used
 // in path names.  This should only be characters in the set: [a-z0-9_].
-// Keep in sync with chrome/browser/nacl_host/pnacl_file_host.
+// Keep in sync with chrome/browser/nacl_host/nacl_file_host.
 std::string SanitizeForPath(const std::string& input) {
   std::string result;
   ReplaceChars(input, "-", "_", &result);