Moved URLRequestContextGetter to net/ so it can be used by projects such as jingle.

BUG=None
TEST=Build.
Review URL: http://codereview.chromium.org/6778025

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@80033 0039d316-1c4b-4281-b951-d872f2087c98

2 files changed, 108 insertions, 0 deletions

diff --git a/net/url_request/url_request_context_getter.cc b/net/url_request/url_request_context_getter.cc
new file mode 100644
index 0000000..2313c23
--- /dev/null
+++ b/net/url_request/url_request_context_getter.cc
@@ -0,0 +1,34 @@
+// Copyright (c) 2011 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 "net/url_request/url_request_context_getter.h"
+
+#include "base/message_loop_proxy.h"
+#include "net/url_request/url_request_context.h"
+
+namespace net {
+CookieStore* URLRequestContextGetter::DONTUSEME_GetCookieStore() {
+  return NULL;
+}
+
+URLRequestContextGetter::URLRequestContextGetter() : is_main_(false) {}
+
+URLRequestContextGetter::~URLRequestContextGetter() {}
+
+void URLRequestContextGetter::OnDestruct() const {
+  scoped_refptr<base::MessageLoopProxy> io_message_loop_proxy =
+      GetIOMessageLoopProxy();
+  DCHECK(io_message_loop_proxy);
+  if (io_message_loop_proxy) {
+    if (io_message_loop_proxy->BelongsToCurrentThread()) {
+      delete this;
+    } else {
+      io_message_loop_proxy->DeleteSoon(FROM_HERE, this);
+    }
+  }
+  // If no IO message loop proxy was available, we will just leak memory.
+  // This is also true if the IO thread is gone.
+}
+
+}  // namespace net
diff --git a/net/url_request/url_request_context_getter.h b/net/url_request/url_request_context_getter.h
new file mode 100644
index 0000000..b6c5464
--- /dev/null
+++ b/net/url_request/url_request_context_getter.h
@@ -0,0 +1,74 @@
+// Copyright (c) 2011 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.
+
+#ifndef CHROME_COMMON_NET_URL_REQUEST_CONTEXT_GETTER_H_
+#define CHROME_COMMON_NET_URL_REQUEST_CONTEXT_GETTER_H_
+#pragma once
+
+#include "base/memory/ref_counted.h"
+#include "base/task.h"
+
+namespace base {
+class MessageLoopProxy;
+}
+
+namespace net {
+class CookieStore;
+class URLRequestContext;
+
+struct URLRequestContextGetterTraits;
+
+// Interface for retrieving an net::URLRequestContext.
+class URLRequestContextGetter
+    : public base::RefCountedThreadSafe<URLRequestContextGetter,
+                                        URLRequestContextGetterTraits> {
+ public:
+  virtual URLRequestContext* GetURLRequestContext() = 0;
+
+  // See http://crbug.com/77835 for why this shouldn't be used. Instead use
+  // GetURLRequestContext()->cookie_store();
+  virtual CookieStore* DONTUSEME_GetCookieStore();
+
+  // Returns a MessageLoopProxy corresponding to the thread on which the
+  // request IO happens (the thread on which the returned net::URLRequestContext
+  // may be used).
+  virtual scoped_refptr<base::MessageLoopProxy>
+      GetIOMessageLoopProxy() const = 0;
+
+  // Controls whether or not the URLRequestContextGetter considers itself to be
+  // the the "main" URLRequestContextGetter.  Note that each Profile will have a
+  // "default" URLRequestContextGetter.  Therefore, "is_main" refers to the
+  // default URLRequestContextGetter for the "main" Profile.
+  // TODO(willchan): Move this code to ChromeURLRequestContextGetter, since this
+  // ia a browser process specific concept.
+  void set_is_main(bool is_main) { is_main_ = is_main; }
+
+ protected:
+  friend class DeleteTask<const URLRequestContextGetter>;
+  friend struct URLRequestContextGetterTraits;
+
+  URLRequestContextGetter();
+  virtual ~URLRequestContextGetter();
+
+  bool is_main() const { return is_main_; }
+
+ private:
+  // OnDestruct is meant to ensure deletion on the thread on which the request
+  // IO happens.
+  void OnDestruct() const;
+
+  // Indicates whether or not this is the default URLRequestContextGetter for
+  // the main Profile.
+  bool is_main_;
+};
+
+struct URLRequestContextGetterTraits {
+  static void Destruct(const URLRequestContextGetter* context_getter) {
+    context_getter->OnDestruct();
+  }
+};
+
+}  // namespace net
+
+#endif  // CHROME_COMMON_NET_URL_REQUEST_CONTEXT_GETTER_H_