Add a macutil for the main app bundle and override...

base/mac_util.mm

Index: base/mac_util.mm
===================================================================
--- base/mac_util.mm	(revision 10790)
+++ base/mac_util.mm	(working copy)
@@ -6,8 +6,10 @@
 
 #include <Carbon/Carbon.h>
 #import <Cocoa/Cocoa.h>
-
+#include "base/file_path.h"

[Mark Mentovai, 2009/03/03 16:21:45]

Leave the blank line between system and chrome headers.

+#include "base/logging.h"
 #include "base/scoped_cftyperef.h"
+#include "base/sys_string_conversions.h"
 
 namespace mac_util {
 
@@ -41,4 +43,26 @@
   return info.nodeFlags & kFSNodeIsDirectoryMask;
 }
 
+// No threading worries since NSBundle isn't thread safe.
+static NSBundle* g_override_app_bundle = nil;
+
+NSBundle* MainAppBundle() {
+  if (g_override_app_bundle)
+    return g_override_app_bundle;
+  return [NSBundle mainBundle];
+}
+
+void SetOverrideAppBundle(NSBundle* bundle) {
+  [g_override_app_bundle release];
+  g_override_app_bundle = [bundle retain];
+}
+
+void SetOverrideAppBundlePath(const FilePath& file_path) {
+  NSString* path = base::SysUTF8ToNSString(file_path.value());
+  NSBundle* bundle = [NSBundle bundleWithPath:path];
+  DCHECK(bundle) << "failed to load the bundle: " << file_path.value();
+
+  SetOverrideAppBundle(bundle);
+}
+
 }  // namespace mac_util