Install platform apps into a separate data directory

chrome/app/app_mode_loader_mac.mm

Index: chrome/app/app_mode_loader_mac.mm
diff --git a/chrome/app/app_mode_loader_mac.mm b/chrome/app/app_mode_loader_mac.mm
index 049364232ff1022e9cf32f4a9f010f23d2ec446f..e8242f09ae81c0494c8514654ffc7f67c75e096e 100644
--- a/chrome/app/app_mode_loader_mac.mm
+++ b/chrome/app/app_mode_loader_mac.mm
@@ -95,6 +95,9 @@ void LoadFramework(void** cr_dylib, app_mode::ChromeAppModeInfo* info) {
   info->user_data_dir = base::mac::NSStringToFilePath(
       [info_plist objectForKey:app_mode::kCrAppModeUserDataDirKey]);
 
+  info->extension_path = base::mac::NSStringToFilePath(
+      [info_plist objectForKey:app_mode::kCrAppModeExtensionPathKey]);

[jeremy, 2012/02/23 19:46:48]

What happens if the extension is missing?

[sail, 2012/02/23 19:49:30]

This will be handled by the browser code that loads extensions. Once this
feature is stable we'll have to add a bunch of error UI. For example, what
happens if the user data dir is locked, etc...

+
   // Open the framework.
   *cr_dylib = dlopen(framework_shlib_path.value().c_str(), RTLD_LAZY);
   CHECK(cr_dylib) << "couldn't load framework: " << dlerror();