Structural improvements for request handling (issue #1044)

- Add new CefRequestContext and CefRequestContextHandler classes.
- Add CefRequestContext argument to CefBrowserHost static factory methods.
- Move GetCookieManager from CefRequestHandler to CefRequestContextHandler.
- Use BrowserContext as the root proxy object for network requests.
- Move accessors for CefBrowserMainParts members from CefContext to CefContentBrowserClient.

git-svn-id: https://chromiumembedded.googlecode.com/svn/trunk@1424 5089003a-bbd8-11dd-ad1f-f1f9622dbc98

libcef/browser/url_request_context_getter_proxy.h

@@ -6,16 +6,21 @@
 #define CEF_LIBCEF_BROWSER_URL_REQUEST_CONTEXT_GETTER_PROXY_H_
 #pragma once
 
+#include "include/cef_request_context_handler.h"
+
 #include "base/memory/scoped_ptr.h"
 #include "net/url_request/url_request_context_getter.h"
 
-class CefBrowserHostImpl;
 class CefURLRequestContextGetter;
 class CefURLRequestContextProxy;
 
+namespace net {
+class HostResolver;
+}
+
 class CefURLRequestContextGetterProxy : public net::URLRequestContextGetter {
  public:
-  CefURLRequestContextGetterProxy(CefBrowserHostImpl* browser,
+  CefURLRequestContextGetterProxy(CefRefPtr<CefRequestContextHandler> handler,
                                   CefURLRequestContextGetter* parent);
   virtual ~CefURLRequestContextGetterProxy();
 
@@ -24,8 +29,12 @@ class CefURLRequestContextGetterProxy : public net::URLRequestContextGetter {
   virtual scoped_refptr<base::SingleThreadTaskRunner>
       GetNetworkTaskRunner() const OVERRIDE;
 
+  net::HostResolver* GetHostResolver() const;
+
+  CefRefPtr<CefRequestContextHandler> handler() const { return handler_; }
+
  private:
-  CefBrowserHostImpl* browser_;
+  CefRefPtr<CefRequestContextHandler> handler_;
   scoped_refptr<CefURLRequestContextGetter> parent_;
 
   // The |context_proxy_| object is owned by |parent_|.