Pass BrowserContext to drive::MountPointProviderDelegate.

chrome/browser/chrome_content_browser_client.cc

Index: chrome/browser/chrome_content_browser_client.cc
diff --git a/chrome/browser/chrome_content_browser_client.cc b/chrome/browser/chrome_content_browser_client.cc
index e73d2796fea6e9fc128a27c134e786c0b4040a65..8ac62de86e39c0916ad8f2249453697e96a80be6 100644
--- a/chrome/browser/chrome_content_browser_client.cc
+++ b/chrome/browser/chrome_content_browser_client.cc
@@ -2302,9 +2302,9 @@ void ChromeContentBrowserClient::GetAdditionalAllowedSchemesForFileSystem(
 }
 
 void ChromeContentBrowserClient::GetAdditionalFileSystemMountPointProviders(
+    content::BrowserContext* browser_context,
     const base::FilePath& storage_partition_path,
     quota::SpecialStoragePolicy* special_storage_policy,
-    fileapi::ExternalMountPoints* external_mount_points,
     ScopedVector<fileapi::FileSystemMountPointProvider>* additional_providers) {
 #if !defined(OS_ANDROID)
   base::SequencedWorkerPool* pool = content::BrowserThread::GetBlockingPool();
@@ -2314,10 +2314,12 @@ void ChromeContentBrowserClient::GetAdditionalFileSystemMountPointProviders(
           MediaFileSystemMountPointProvider::kMediaTaskRunnerName)).get()));
 #endif
 #if defined(OS_CHROMEOS)
+  fileapi::ExternalMountPoints* external_mount_points =
+      content::BrowserContext::GetMountPoints(browser_context);
   DCHECK(external_mount_points);
   chromeos::CrosMountPointProvider* cros_mount_provider =
       new chromeos::CrosMountPointProvider(
-          new drive::MountPointProviderDelegate(external_mount_points),
+          new drive::MountPointProviderDelegate(browser_context),
           special_storage_policy,
           external_mount_points,
           fileapi::ExternalMountPoints::GetSystemInstance());