Add oem mount point to cros_mount_provider.

chrome/browser/chromeos/extensions/file_handler_util.cc

Index: chrome/browser/chromeos/extensions/file_handler_util.cc
diff --git a/chrome/browser/chromeos/extensions/file_handler_util.cc b/chrome/browser/chromeos/extensions/file_handler_util.cc
index 18058dcae12843f993dac35d7cb98bef33104b23..78616620af184edaf053cd7bbc7744ecadffaf4f 100644
--- a/chrome/browser/chromeos/extensions/file_handler_util.cc
+++ b/chrome/browser/chromeos/extensions/file_handler_util.cc
@@ -57,12 +57,14 @@ const char kTaskWebIntent[] = "web-intent";
 
 namespace {
 
+typedef std::set<const FileBrowserHandler*> FileBrowserHandlerSet;
+
 // Legacy Drive task extension prefix, used by CrackTaskID.
 const char kDriveTaskExtensionPrefix[] = "drive-app:";
 const size_t kDriveTaskExtensionPrefixLength =
     arraysize(kDriveTaskExtensionPrefix) - 1;
 
-typedef std::set<const FileBrowserHandler*> FileBrowserHandlerSet;
+const char kOemMountPointID[] = "oem";
 
 const int kReadWriteFilePermissions = base::PLATFORM_FILE_OPEN |
                                       base::PLATFORM_FILE_CREATE |
@@ -719,6 +721,11 @@ class ExtensionTaskExecutor::ExecuteTasksFileSystemCallbackDispatcher {
     if (!chromeos::CrosMountPointProvider::CanHandleURL(url))
       return false;
 
+    if (url.filesystem_id() == kOemMountPointID) {

[zel, 2012/09/27 20:11:10]

let's create a more general concept of read-only mount points than having
one-off checks like this. ideally this info should reside with the mount point
provider

+      LOG(ERROR) << "Can't grant permissions for oem mount point.";
+      return false;
+    }
+
     fileapi::ExternalFileSystemMountPointProvider* external_provider =
         file_system_context_->external_provider();
     if (!external_provider || !external_provider->IsAccessAllowed(url))
@@ -1045,6 +1052,11 @@ bool WebIntentTaskExecutor::ExecuteForURL(const GURL& file_url) {
   if (!chromeos::CrosMountPointProvider::CanHandleURL(url))
     return false;
 
+  if (url.filesystem_id() == kOemMountPointID) {
+    LOG(ERROR) << "Can't grant permissions for oem mount point.";
+    return false;
+  }
+
   scoped_refptr<fileapi::FileSystemContext> file_system_context =
       BrowserContext::GetDefaultStoragePartition(profile())->
       GetFileSystemContext();