Refactor "IsUnderDriveMountPoint" in v2 app code for generalization to non-Drive volumes.

chrome/browser/extensions/api/file_handlers/app_file_handler_util.cc

Index: chrome/browser/extensions/api/file_handlers/app_file_handler_util.cc
diff --git a/chrome/browser/extensions/api/file_handlers/app_file_handler_util.cc b/chrome/browser/extensions/api/file_handlers/app_file_handler_util.cc
index 04d54afd16e6a0ab5ed947f584eae2141b5af4ef..a94a4c45fed76aed61c0ba79417f655133bf137c 100644
--- a/chrome/browser/extensions/api/file_handlers/app_file_handler_util.cc
+++ b/chrome/browser/extensions/api/file_handlers/app_file_handler_util.cc
@@ -18,7 +18,7 @@
 #include "webkit/common/fileapi/file_system_types.h"
 
 #if defined(OS_CHROMEOS)
-#include "chrome/browser/chromeos/drive/file_system_util.h"
+#include "chrome/browser/chromeos/file_manager/filesystem_api_util.h"
 #endif
 
 using apps::file_handler_util::GrantedFileEntry;
@@ -116,11 +116,7 @@ class WritableFileChecker
   void CheckLocalWritableFiles();
 
 #if defined(OS_CHROMEOS)
-  void CheckRemoteWritableFile(const base::FilePath& remote_path,
-                               drive::FileError error,
-                               const base::FilePath& local_path);
-  void RemoteCheckDone(const base::FilePath& remote_path,
-                       drive::FileError error);
+  void SpecialPathCheckDone(const base::FilePath& path, bool success);
 #endif
 
   const std::vector<base::FilePath> paths_;
@@ -147,23 +143,22 @@ WritableFileChecker::WritableFileChecker(
 
 void WritableFileChecker::Check() {
 #if defined(OS_CHROMEOS)
-  if (drive::util::IsUnderDriveMountPoint(paths_[0])) {
+  if (file_manager::util::IsUnderSpecialPath(profile_, paths_[0])) {
     outstanding_tasks_ = paths_.size();
     for (std::vector<base::FilePath>::const_iterator it = paths_.begin();
          it != paths_.end();
          ++it) {
-      DCHECK(drive::util::IsUnderDriveMountPoint(*it));
+      DCHECK(file_manager::util::IsUnderSpecialPath(profile_, paths_[0]));
       if (is_directory_) {
-        drive::util::CheckDirectoryExists(
+        file_manager::util::IsSpecialPathDirectory(
             profile_,
             *it,
-            base::Bind(&WritableFileChecker::RemoteCheckDone, this, *it));
+            base::Bind(&WritableFileChecker::SpecialPathCheckDone, this, *it));
       } else {
-        drive::util::PrepareWritableFileAndRun(
+        file_manager::util::PrepareSpecialPathWritableFile(
             profile_,
             *it,
-            base::Bind(&WritableFileChecker::CheckRemoteWritableFile, this,
-                       *it));
+            base::Bind(&WritableFileChecker::SpecialPathCheckDone, this, *it));
       }
     }
     return;
@@ -216,27 +211,12 @@ void WritableFileChecker::CheckLocalWritableFiles() {
 }
 
 #if defined(OS_CHROMEOS)
-void WritableFileChecker::CheckRemoteWritableFile(
-    const base::FilePath& remote_path,
-    drive::FileError error,
-    const base::FilePath& /* local_path */) {
-  RemoteCheckDone(remote_path, error);
-}
-
-void WritableFileChecker::RemoteCheckDone(
-    const base::FilePath& remote_path,
-    drive::FileError error) {
-  if (error == drive::FILE_ERROR_OK) {
-    content::BrowserThread::PostTask(
-        content::BrowserThread::UI,
-        FROM_HERE,
-        base::Bind(&WritableFileChecker::TaskDone, this));
-  } else {
-    content::BrowserThread::PostTask(
-        content::BrowserThread::UI,
-        FROM_HERE,
-        base::Bind(&WritableFileChecker::Error, this, remote_path));
-  }
+void WritableFileChecker::SpecialPathCheckDone(const base::FilePath& path,
+                                               bool success) {
+  if (success)
+    TaskDone();
+  else
+    Error(path);
 }
 #endif