Fix 'for' construct which caused crash when VLOG is on.

BUG=none
TEST=run chrome with --vmodule=drive_webapprs_registry=1 and login with an account with some drive apps installed.

Review URL: https://codereview.chromium.org/11190019

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@162341 0039d316-1c4b-4281-b951-d872f2087c98

chrome/browser/chromeos/drive/drive_webapps_registry.cc

@@ -166,17 +166,15 @@ void DriveWebAppsRegistry::UpdateFromFeed(
 
     if (VLOG_IS_ON(1)) {
       std::vector<std::string> mime_types;
-      for (size_t i = 0; app.primary_mimetypes().size(); ++i)
+      for (size_t i = 0; i < app.primary_mimetypes().size(); ++i)
         mime_types.push_back(*app.primary_mimetypes()[i]);
-      for (size_t i = 0; app.secondary_mimetypes().size(); ++i)
+      for (size_t i = 0; i < app.secondary_mimetypes().size(); ++i)
         mime_types.push_back(*app.secondary_mimetypes()[i]);
-
       std::vector<std::string> extensions;
-      for (size_t i = 0; app.primary_extensions().size(); ++i)
+      for (size_t i = 0; i < app.primary_extensions().size(); ++i)
         extensions.push_back(*app.primary_extensions()[i]);
-      for (size_t i = 0; app.secondary_extensions().size(); ++i)
+      for (size_t i = 0; i < app.secondary_extensions().size(); ++i)
         extensions.push_back(*app.secondary_extensions()[i]);
-
       VLOG(1) << "Adding app " << app.app_name()
               << " to app registry.  mime_types: "
               << JoinString(mime_types, ',') << " extensions: "