gdata: Various comment fixes (mostly typos).

BUG=none

Review URL: https://chromiumcodereview.appspot.com/10821124

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@149389 0039d316-1c4b-4281-b951-d872f2087c98

chrome/browser/chromeos/gdata/gdata_cache.cc

@@ -69,7 +69,7 @@ int64 GetAmountOfFreeDiskSpace() {
 // bytes, while keeping kMinFreeSpace bytes on the disk.
 bool HasEnoughSpaceFor(int64 num_bytes) {
   int64 free_space = GetAmountOfFreeDiskSpace();
-  // Substract this as if this portion does not exist.
+  // Subtract this as if this portion does not exist.
   free_space -= kMinFreeSpace;
   return (free_space >= num_bytes);
 }
@@ -95,7 +95,7 @@ void InitCachePaths(const std::vector<FilePath>& cache_paths) {
 }
 
 // Remove all files under the given directory, non-recursively.
-// Do not remove recursively as we don't want to touch <gache>/tmp/downloads,
+// Do not remove recursively as we don't want to touch <gcache>/tmp/downloads,
 // which is used for user initiated downloads like "Save As"
 void RemoveAllFiles(const FilePath& directory) {
   using file_util::FileEnumerator;

chrome/browser/chromeos/gdata/gdata_cache.h

@@ -168,7 +168,7 @@ class GDataCache {
   void GetResourceIdsOfBacklogOnUIThread(
       const GetResourceIdsOfBacklogCallback& callback);
 
-  // Gets the resource IDs of all exsiting (i.e. cached locally) pinned
+  // Gets the resource IDs of all existing (i.e. cached locally) pinned
   // files, including pinned dirty files.
   //
   // Must be called on UI thread. |callback| is run on UI thread.

chrome/browser/chromeos/gdata/gdata_file_system.cc

@@ -65,13 +65,13 @@ typedef struct {
 SerializationTimetable kSerializeTimetable[] = {
 #ifndef NDEBUG
     {0.5, 0},    // Less than 0.5MB, dump immediately.
-    {-1,  1},    // Any size, dump if older than 1 minue.
+    {-1,  1},    // Any size, dump if older than 1 minute.
 #else
     {0.5, 0},    // Less than 0.5MB, dump immediately.
     {1.0, 15},   // Less than 1.0MB, dump after 15 minutes.
     {2.0, 30},
     {4.0, 60},
-    {-1,  120},  // Any size, dump if older than 120 minues.
+    {-1,  120},  // Any size, dump if older than 120 minutes.
 #endif
 };
 

chrome/browser/chromeos/gdata/gdata_file_system_interface.h

@@ -305,7 +305,7 @@ class GDataFileSystemInterface {
   // In particular, this function is used to get the latest thumbnail
   // URLs. Thumbnail URLs change periodically even if contents of files are
   // not changed, hence we should get the new thumbnail URLs manually if we
-  // detect that the existing thumnail URLs are stale.
+  // detect that the existing thumbnail URLs are stale.
   //
   // Upon success, the metadata of files in the target directory is updated,
   // and the change is notified via Observer::OnDirectoryChanged(). Note that

chrome/browser/chromeos/gdata/gdata_file_system_proxy.cc

@@ -33,7 +33,7 @@ namespace {
 const char kGDataRootDirectory[] = "drive";
 const char kFeedField[] = "feed";
 
-// Helper function that creates platform file on bocking IO thread pool.
+// Helper function that creates platform file on blocking IO thread pool.
 void OpenPlatformFileOnIOPool(const FilePath& local_path,
                                 int file_flags,
                                 base::PlatformFile* platform_file,

chrome/browser/chromeos/gdata/gdata_file_system_proxy.h

@@ -182,10 +182,10 @@ class GDataFileSystemProxy : public fileapi::RemoteFileSystemProxyInterface {
       base::PlatformFile* platform_file,
       base::PlatformFileError* truncate_result);
 
-  // GDataFileSystemProxy is owned by Profile, which outlives
-  // GDataFileSystemProxy, which is owned by CrosMountPointProvider (i.e. by
-  // the time Profile is removed, the file manager is already gone). Hence
-  // it's safe to use this as a raw pointer.
+  // GDataFileSystem is owned by Profile, which outlives GDataFileSystemProxy,
+  // which is owned by CrosMountPointProvider (i.e. by the time Profile is
+  // removed, the file manager is already gone). Hence it's safe to use this as
+  // a raw pointer.
   GDataFileSystemInterface* file_system_;
 };
 

chrome/browser/chromeos/gdata/gdata_file_system_unittest.cc

@@ -159,7 +159,7 @@ class MockGDataUploader : public GDataUploaderInterface {
         DocumentEntry::ExtractAndParse(*value));
     upload_file_info->entry = document_entry.Pass();
 
-    // Run the complection callback.
+    // Run the completion callback.
     const UploadFileInfo::UploadCompletionCallback callback =
         upload_file_info->completion_callback;
     if (!callback.is_null())
@@ -602,7 +602,7 @@ class GDataFileSystemTest : public testing::Test {
         std::string(),
         GDataCache::CACHE_TYPE_PINNED,
         GDataCache::CACHED_FILE_FROM_SERVER);
-    // Check that pin symlink exists, without deferencing to target path.
+    // Check that pin symlink exists, without dereferencing to target path.
     exists = file_util::IsLink(symlink_path);
     if (test_util::ToCacheEntry(expected_cache_state_).is_pinned()) {
       EXPECT_TRUE(exists);
@@ -622,7 +622,7 @@ class GDataFileSystemTest : public testing::Test {
         std::string(),
         GDataCache::CACHE_TYPE_OUTGOING,
         GDataCache::CACHED_FILE_FROM_SERVER);
-    // Check that outgoing symlink exists, without deferencing to target path.
+    // Check that outgoing symlink exists, without dereferencing to target path.
     exists = file_util::IsLink(symlink_path);
     if (expect_outgoing_symlink_ &&
         test_util::ToCacheEntry(expected_cache_state_).is_dirty()) {
@@ -827,7 +827,7 @@ class GDataFileSystemTest : public testing::Test {
 
   MessageLoopForUI message_loop_;
   // The order of the test threads is important, do not change the order.
-  // See also content/browser/browser_thread_imple.cc.
+  // See also content/browser/browser_thread_impl.cc.
   content::TestBrowserThread ui_thread_;
   content::TestBrowserThread io_thread_;
   scoped_refptr<base::SequencedTaskRunner> blocking_task_runner_;
@@ -1453,7 +1453,7 @@ TEST_F(GDataFileSystemTest, CopyFileToNonExistingDirectory) {
   EXPECT_FALSE(EntryExists(dest_file_path));
 }
 
-// Test the case where the parent of |dest_file_path| is a existing file,
+// Test the case where the parent of |dest_file_path| is an existing file,
 // not a directory.
 TEST_F(GDataFileSystemTest, CopyFileToInvalidPath) {
   FilePath src_file_path(FILE_PATH_LITERAL("drive/Document 1.gdoc"));

chrome/browser/chromeos/gdata/gdata_files.cc

@@ -175,7 +175,7 @@ GDataEntry* GDataFile::FromDocumentEntry(
     file->file_info_.size = doc->file_size();
     file->file_md5_ = doc->file_md5();
 
-    // The resumable-edit-media link should only be present for regualar
+    // The resumable-edit-media link should only be present for regular
     // files as hosted documents are not uploadable.
     const Link* upload_link = doc->GetLinkByType(Link::RESUMABLE_EDIT_MEDIA);
     if (upload_link)

chrome/browser/chromeos/gdata/gdata_util.h

@@ -23,7 +23,7 @@ namespace util {
 
 // Path constants.
 
-// The extention for dirty files. The file names look like
+// The extension for dirty files. The file names look like
 // "<resource-id>.local".
 const char kLocallyModifiedFileExtension[] = "local";
 // The extension for mounted files. The file names look like