Multi-Profile in Files.app: always mount per-profile "Downloads" folder.

Now the multi-profile feature is turned on by default.
Files.app also always mounts per-profile separated "Downloads"
folder even in the test environment.

BUG=375131

Review URL: https://codereview.chromium.org/295943002

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@272370 0039d316-1c4b-4281-b951-d872f2087c98

chrome/browser/chromeos/file_manager/path_util.cc

@@ -6,7 +6,6 @@
 
 #include "base/files/file_path.h"
 #include "base/logging.h"
-#include "base/path_service.h"
 #include "base/sys_info.h"
 #include "chrome/browser/chromeos/drive/file_system_util.h"
 #include "chrome/browser/chromeos/login/users/user.h"
@@ -33,12 +32,17 @@ const base::FilePath::CharType kBuggyDriveFolderPath[] =
 }  // namespace
 
 base::FilePath GetDownloadsFolderForProfile(Profile* profile) {
-  if (!base::SysInfo::IsRunningOnChromeOS()) {
-    // On the developer run on Linux desktop build, use $HOME/Downloads for ease
-    // for accessing local files for debugging.
-    base::FilePath path;
-    CHECK(PathService::Get(base::DIR_HOME, &path));
-    return path.AppendASCII(kDownloadsFolderName);
+  // On non-ChromeOS system (test+development), the primary profile uses
+  // $HOME/Downloads for ease for accessing local files for debugging.
+  if (!base::SysInfo::IsRunningOnChromeOS() &&
+      chromeos::UserManager::IsInitialized()) {
+    const chromeos::User* const user =
+        chromeos::UserManager::Get()->GetUserByProfile(
+            profile->GetOriginalProfile());
+    const chromeos::User* const primary_user =
+        chromeos::UserManager::Get()->GetPrimaryUser();
+    if (user == primary_user)
+      return DownloadPrefs::GetDefaultDownloadDirectory();
   }
   return profile->GetPath().AppendASCII(kDownloadsFolderName);
 }

chrome/browser/chromeos/file_manager/volume_manager.cc

@@ -292,21 +292,15 @@ void VolumeManager::Initialize() {
                                       new_path);
   }
 
-  static bool added_downloads = false;
-  if (base::SysInfo::IsRunningOnChromeOS() || !added_downloads) {
   // Register 'Downloads' folder for the profile to the file system.
-    // On non-ChromeOS system (test+development), we should do this only for
-    // the first registered profile.
   const base::FilePath downloads =
       file_manager::util::GetDownloadsFolderForProfile(profile_);
   const bool success = RegisterDownloadsMountPoint(profile_, downloads);
-    added_downloads = success;
   DCHECK(success);
 
   DoMountEvent(chromeos::MOUNT_ERROR_NONE,
                CreateDownloadsVolumeInfo(downloads),
                kNotRemounting);
-  }
 
   // Subscribe to DriveIntegrationService.
   if (drive_integration_service_) {