Add directories handling support for apps/extensions.

The change introduces a "include_directories" entry in the manifest
file for file_handlers. In case the value is true, the file handler
becomes a generic handler and adds the given extension to the right
click menu.

BUG=415897

R=mtomasz@chromium.org

Review URL: https://codereview.chromium.org/1407473003

Cr-Commit-Position: refs/heads/master@{#377467}

1 files changed, 15 insertions, 6 deletions

diff --git a/extensions/renderer/resources/app_runtime_custom_bindings.js b/extensions/renderer/resources/app_runtime_custom_bindings.js
index 0364b66..3f0dbd2 100644
--- a/extensions/renderer/resources/app_runtime_custom_bindings.js
+++ b/extensions/renderer/resources/app_runtime_custom_bindings.js
@@ -57,12 +57,21 @@ eventBindings.registerArgumentMassager('app.runtime.onLaunched',
     };
     $Array.forEach(launchData.items, function(item) {
       var fs = GetIsolatedFileSystem(item.fileSystemId);
-      fs.root.getFile(item.baseName, {}, function(fileEntry) {
-        entryIdManager.registerEntry(item.entryId, fileEntry);
-        itemLoaded(null, { entry: fileEntry, type: item.mimeType });
-      }, function(fileError) {
-        itemLoaded(fileError);
-      });
+      if (item.isDirectory) {
+        fs.root.getDirectory(item.baseName, {}, function(dirEntry) {
+          entryIdManager.registerEntry(item.entryId, dirEntry);
+          itemLoaded(null, {entry: dirEntry});
+        }, function(fileError) {
+          itemLoaded(fileError);
+        });
+      } else {
+        fs.root.getFile(item.baseName, {}, function(fileEntry) {
+          entryIdManager.registerEntry(item.entryId, fileEntry);
+          itemLoaded(null, {entry: fileEntry, type: item.mimeType});
+        }, function(fileError) {
+          itemLoaded(fileError);
+        });
+      }
     });
   } else {
     // Default case. This currently covers an onLaunched corresponding to