Eliminate CopyErrorCodeFromOperationCallback.

Replace the method with CreateCopyResultCallback.

BUG=180569
TEST=./out/Debug/unit_tests --gtest_filter=DriveFileSystem*:DriveCache*:StaleCache*:SearchMetadata*:DriveSyncClient*:DriveResourceMetadata*:CreateDirectoryOperation*

Review URL: https://codereview.chromium.org/12834011

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@189781 0039d316-1c4b-4281-b951-d872f2087c98
9 files changed