Revert 187230

> Implement the Stream registry in content
> 
> This is the first part of the content side of the Streams api.
> See:
> https://bugs.webkit.org/show_bug.cgi?id=110194
> https://dvcs.w3.org/hg/streams-api/raw-file/tip/Overview.htm
> 
> BUG=171585
> 
> 
> Review URL: https://chromiumcodereview.appspot.com/12335087

TBR=zork@chromium.org
Review URL: https://codereview.chromium.org/12611018

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@187274 0039d316-1c4b-4281-b951-d872f2087c98

1 files changed, 0 insertions, 44 deletions

diff --git a/content/browser/streams/stream_context.cc b/content/browser/streams/stream_context.cc
deleted file mode 100644
index ca77df1..0000000
--- a/content/browser/streams/stream_context.cc
+++ /dev/null
@@ -1,44 +0,0 @@
-// Copyright (c) 2013 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 "content/browser/streams/stream_context.h"
-
-#include "base/bind.h"
-#include "content/browser/streams/stream_registry.h"
-#include "content/public/browser/browser_context.h"
-
-using base::UserDataAdapter;
-
-namespace {
-const char* kStreamContextKeyName = "content_stream_context";
-}
-
-namespace content {
-
-StreamContext::StreamContext() {}
-
-StreamContext* StreamContext::GetFor(BrowserContext* context) {
-  if (!context->GetUserData(kStreamContextKeyName)) {
-    scoped_refptr<StreamContext> stream = new StreamContext();
-    context->SetUserData(kStreamContextKeyName,
-                         new UserDataAdapter<StreamContext>(stream));
-    // Check first to avoid memory leak in unittests.
-    if (BrowserThread::IsMessageLoopValid(BrowserThread::IO)) {
-      BrowserThread::PostTask(
-          BrowserThread::IO, FROM_HERE,
-          base::Bind(&StreamContext::InitializeOnIOThread, stream));
-    }
-  }
-
-  return UserDataAdapter<StreamContext>::Get(context, kStreamContextKeyName);
-}
-
-void StreamContext::InitializeOnIOThread() {
-  DCHECK(BrowserThread::CurrentlyOn(BrowserThread::IO));
-  registry_.reset(new StreamRegistry());
-}
-
-StreamContext::~StreamContext() {}
-
-}  // namespace content