RFC: Add an interface for having the browser open a pnacl support file

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 7d1d35f83c851538560d1f6741b7021e1cb832f4..a4c06436bda69a2ef1bd9cab82ad0bb9eb5e2b53 100644
--- a/chrome/browser/component_updater/pnacl/pnacl_component_installer.cc
+++ b/chrome/browser/component_updater/pnacl/pnacl_component_installer.cc
@@ -1,4 +1,4 @@
-// Copyright (c) 2011 The Chromium Authors. All rights reserved.
+// Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
@@ -163,7 +163,8 @@ bool PnaclComponentInstaller::Install(base::DictionaryValue* manifest,
     return false;
 
   // Make sure that at least one of the compiler files exists.
-  if (!file_util::PathExists(unpack_path.Append(kPnaclCompilerFileName)))
+  if (!file_util::PathExists(
+          unpack_path.Append(kPnaclArch).Append(kPnaclCompilerFileName)))
     return false;
 
   // Passed the basic tests. Time to install it.
@@ -181,7 +182,7 @@ bool PnaclComponentInstaller::Install(base::DictionaryValue* manifest,
   // See: http://code.google.com/p/chromium/issues/detail?id=107438
   current_version_ = version;
 
-  PathService::Override(chrome::FILE_PNACL_COMPONENT, path);
+  PathService::Override(chrome::DIR_PNACL_COMPONENT, path);
   return true;
 }
 
@@ -221,9 +222,7 @@ void StartPnaclUpdateRegistration(ComponentUpdateService* cus) {
       version = Version(kNullVersion);
     } else {
       // Register the existing path for now, before checking for updates.
-      // TODO(jvoung): Will this always happen "early" or will it
-      // race with the NaCl plugin in browser tests?
-      PathService::Override(chrome::FILE_PNACL_COMPONENT, path);
+      PathService::Override(chrome::DIR_PNACL_COMPONENT, path);
     }
   }