base: Remove the string logging from CHECK().

chrome/app_shim/app_mode_loader_mac.mm

 // 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.
 
 // On Mac, shortcuts can't have command-line arguments. Instead, produce small
 // app bundles which locate the Chromium framework and load it, passing the
 // appropriate data. This is the code for such an app bundle. It should be kept
 // minimal and do as little work as possible (with as much work done on
 // framework side as possible).
 
@@ skipping 30 matching lines @@
   using base::SysNSStringToUTF8;
   using base::SysNSStringToUTF16;
   using base::mac::CFToNSCast;
   using base::mac::CFCastStrict;
   using base::mac::NSToCFCast;
 
   base::mac::ScopedNSAutoreleasePool scoped_pool;
 
   // Get the current main bundle, i.e., that of the app loader that's running.
   NSBundle* app_bundle = [NSBundle mainBundle];
-  CHECK(app_bundle) << "couldn't get loader bundle";
+  // couldn't get loader bundle
+  CHECK(app_bundle);
 
   // ** 1: Get path to outer Chrome bundle.
   // Get the bundle ID of the browser that created this app bundle.
   NSString* cr_bundle_id = base::mac::ObjCCast<NSString>(
       [app_bundle objectForInfoDictionaryKey:app_mode::kBrowserBundleIDKey]);
-  CHECK(cr_bundle_id) << "couldn't get browser bundle ID";
+  // couldn't get browser bundle ID
+  CHECK(cr_bundle_id);
 
   // First check if Chrome exists at the last known location.
   base::FilePath cr_bundle_path;
   NSString* cr_bundle_path_ns =
       [CFToNSCast(CFCastStrict<CFStringRef>(CFPreferencesCopyAppValue(
           NSToCFCast(app_mode::kLastRunAppBundlePathPrefsKey),
           NSToCFCast(cr_bundle_id)))) autorelease];
   cr_bundle_path = base::mac::NSStringToFilePath(cr_bundle_path_ns);
   bool found_bundle =
       !cr_bundle_path.empty() && base::DirectoryExists(cr_bundle_path);
@@ skipping 46 matching lines @@
       base::mac::NSStringToFilePath([app_bundle bundlePath]);
 
   // ** 4: Fill in ChromeAppModeInfo.
   info->chrome_outer_bundle_path = cr_bundle_path;
   info->chrome_versioned_path = version_path;
   info->app_mode_bundle_path = app_mode_bundle_path;
 
   // Read information about the this app shortcut from the Info.plist.
   // Don't check for null-ness on optional items.
   NSDictionary* info_plist = [app_bundle infoDictionary];
-  CHECK(info_plist) << "couldn't get loader Info.plist";
+  // couldn't get loader Info.plist
+  CHECK(info_plist);
 
   info->app_mode_id = SysNSStringToUTF8(
       [info_plist objectForKey:app_mode::kCrAppModeShortcutIDKey]);
-  CHECK(info->app_mode_id.size()) << "couldn't get app shortcut ID";
+  // couldn't get app shortcut ID
+  CHECK(info->app_mode_id.size());
 
   info->app_mode_name = SysNSStringToUTF16(
       [info_plist objectForKey:app_mode::kCrAppModeShortcutNameKey]);
 
   info->app_mode_url = SysNSStringToUTF8(
       [info_plist objectForKey:app_mode::kCrAppModeShortcutURLKey]);
 
   info->user_data_dir = base::mac::NSStringToFilePath(
       [info_plist objectForKey:app_mode::kCrAppModeUserDataDirKey]);
 
@@ skipping 63 matching lines @@
   // Hard coded info parameters.
   info.major_version = app_mode::kCurrentChromeAppModeInfoMajorVersion;
   info.minor_version = app_mode::kCurrentChromeAppModeInfoMinorVersion;
   info.argc = argc;
   info.argv = argv;
 
   // Exit instead of returning to avoid the the removal of |main()| from stack
   // backtraces under tail call optimization.
   exit(LoadFrameworkAndStart(&info));
 }