[fsp] Remove the exclusive field from the CreateDirectory operation.

Analogically to CreateFile, we should just return an EXISTS error code if the
entry already exists. The EXISTS error code is later converted to OK if the
operation was requested to be not 'exclusive'.

TBR=benwells@chromium.org
TEST=browser_tests, unit_tests: *FileSystemProvider*CreateDirectory*
BUG=393141

Review URL: https://codereview.chromium.org/528683002

Cr-Commit-Position: refs/heads/master@{#292873}

1 files changed, 4 insertions, 5 deletions

diff --git a/chrome/common/extensions/api/file_system_provider.idl b/chrome/common/extensions/api/file_system_provider.idl
index bbc6bc6..a41ddd1 100644
--- a/chrome/common/extensions/api/file_system_provider.idl
+++ b/chrome/common/extensions/api/file_system_provider.idl
@@ -128,7 +128,6 @@ namespace fileSystemProvider {
     DOMString fileSystemId;
     long requestId;
     DOMString directoryPath;
-    boolean exclusive;
     boolean recursive;
   };
 
@@ -303,10 +302,10 @@ namespace fileSystemProvider {
         FileDataCallback successCallback,
         ProviderErrorCallback errorCallback);
 
-    // Raised when creating a directory is requested. If <code>exclusive</code>
-    // is set to true, then the operation must fail if the target directory
-    // already exists. If <code>recursive</code> is true, then all of the
-    // missing directories on the directory path must be created.
+    // Raised when creating a directory is requested. The operation must fail
+    // with the EXISTS error if the target directory already exists.
+    // If <code>recursive</code> is true, then all of the missing directories
+    // on the directory path must be created.
     [maxListeners=1, nodoc] static void onCreateDirectoryRequested(
         CreateDirectoryRequestedOptions options,
         ProviderSuccessCallback successCallback,