Very minor typo fixes for GData/FileAPI code.

chrome/browser/chromeos/gdata/gdata_file_system.cc

Index: chrome/browser/chromeos/gdata/gdata_file_system.cc
diff --git a/chrome/browser/chromeos/gdata/gdata_file_system.cc b/chrome/browser/chromeos/gdata/gdata_file_system.cc
index 1a9f78bc81ba7447422d08b385530c2f0ca4d948..1bb6ab008727ada8e945a0dcc19f4f443265a00b 100644
--- a/chrome/browser/chromeos/gdata/gdata_file_system.cc
+++ b/chrome/browser/chromeos/gdata/gdata_file_system.cc
@@ -447,7 +447,7 @@ void RemoveEntryFromDirectoryAndCollectChangedDirectories(
 
 // Helper function for adding new |file| from the feed into |directory|. It
 // checks the type of file and updates |changed_dirs| if this file adding
-// opertation needs to raise directory notification update. If file is being
+// operation needs to raise directory notification update. If file is being
 // added to |orphaned_entries_dir| such notifications are not raised since
 // we ignore such files and don't add them to the file system now.
 void AddEntryToDirectoryAndCollectChangedDirectories(
@@ -967,7 +967,7 @@ GDataFileSystem::GetFileFromCacheParams::GetFileFromCacheParams(
 GDataFileSystem::GetFileFromCacheParams::~GetFileFromCacheParams() {
 }
 
-// GDataFileSystem class implementatsion.
+// GDataFileSystem class implementation.
 
 GDataFileSystem::GDataFileSystem(Profile* profile,
                                  DocumentsServiceInterface* documents_service)
@@ -2649,7 +2649,7 @@ void GDataFileSystem::OnRequestDirectoryRefresh(
 
   // Remove the existing files.
   directory->RemoveChildFiles();
-  // Go through all entires generated by the feed and add files.
+  // Go through all entries generated by the feed and add files.
   for (FileResourceIdMap::const_iterator it = file_map.begin();
        it != file_map.end(); ++it) {
     scoped_ptr<GDataEntry> entry(it->second);
@@ -3692,7 +3692,7 @@ void GDataFileSystem::ApplyFeedFromFileUrlMap(
 
   scoped_ptr<GDataRootDirectory> orphaned_entries_dir(
       new GDataRootDirectory);
-  // Go through all entires generated by the feed and apply them to the local
+  // Go through all entries generated by the feed and apply them to the local
   // snapshot of the file system.
   for (FileResourceIdMap::iterator it = file_map->begin();
        it != file_map->end();) {
@@ -4854,7 +4854,7 @@ void GDataFileSystem::CommitDirtyInCacheOnIOThreadPool(
   }
 
   // If a file is not dirty (it should have been marked dirty via
-  // MarkDirtyInCache), commiting it dirty is an invalid operation.
+  // MarkDirtyInCache), committing it dirty is an invalid operation.
   if (!cache_entry->IsDirty()) {
     LOG(WARNING) << "Can't commit a non-dirty file: res_id="
                  << resource_id