Remove //chrome as an embedder of blimp.

chrome/browser/android/blimp/blimp_contents_profile_attachment.cc

-// Copyright 2016 The Chromium Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-
-#include "chrome/browser/android/blimp/blimp_contents_profile_attachment.h"
-
-#include "base/logging.h"
-#include "base/supports_user_data.h"
-#include "blimp/client/public/contents/blimp_contents.h"
-
-namespace {
-const char kBlimpContentsProfileAttachment[] =
-    "blimp_contents_profile_attachment";
-
-// A holder struct for a Profile that can be used as data.
-struct Attachment : public base::SupportsUserData::Data {
-  Profile* profile;
-};
-
-}  // namespace
-
-void AttachProfileToBlimpContents(blimp::client::BlimpContents* blimp_contents,
-                                  Profile* profile) {
-  DCHECK(profile);
-  Attachment* attachment = new Attachment;
-  attachment->profile = profile;
-  blimp_contents->SetUserData(kBlimpContentsProfileAttachment, attachment);
-}
-
-Profile* GetProfileFromBlimpContents(
-    blimp::client::BlimpContents* blimp_contents) {
-  Attachment* attachment = static_cast<Attachment*>(
-      blimp_contents->GetUserData(kBlimpContentsProfileAttachment));
-  DCHECK(attachment);
-  return attachment->profile;
-}