Add ResourceRequestInfo.

content/public/browser/resource_request_info.h

+// Copyright (c) 2012 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 CONTENT_PUBLIC_BROWSER_RESOURCE_REQUEST_INFO_H_
+#define CONTENT_PUBLIC_BROWSER_RESOURCE_REQUEST_INFO_H_
+#pragma once
+
+#include "base/basictypes.h"
+#include "content/common/content_export.h"
+#include "third_party/WebKit/Source/WebKit/chromium/public/WebReferrerPolicy.h"
+#include "webkit/glue/resource_type.h"
+
+namespace net {
+class URLRequest;
+}
+
+namespace content {
+class ResourceContext;
+
+// Each URLRequest allocated by the ResourceDispatcherHost has a
+// ResourceRequestInfo instance associated with it.
+class ResourceRequestInfo {
+ public:
+  // Returns the ResourceRequestInfo associated with the given URLRequest.
+  CONTENT_EXPORT static const ResourceRequestInfo* ForRequest(
+      const net::URLRequest* request);
+
+  // Allocates a new, dummy ResourceRequestInfo and associates it with the
+  // given URLRequest.
+  // NOTE: Add more parameters if you need to initialize other fields.
+  CONTENT_EXPORT static void AllocateForTesting(
+      net::URLRequest* request,
+      ResourceContext* context);
+
+  // Returns the associated ResourceContext.
+  virtual ResourceContext* GetContext() const = 0;
+
+  // The child process unique ID of the requestor.
+  virtual int GetChildID() const = 0;
+
+  // The IPC route identifier for this request (this identifies the RenderView
+  // or like-thing in the renderer that the request gets routed to).
+  virtual int GetRouteID() const = 0;
+
+  // The pid of the originating process, if the request is sent on behalf of a
+  // another process.  Otherwise it is 0.
+  virtual int GetOriginPID() const = 0;
+
+  // Unique identifier (within the scope of the child process) for this request.
+  virtual int GetRequestID() const = 0;
+
+  // True if GetFrameID() represents a main frame in the RenderView.
+  virtual bool IsMainFrame() const = 0;
+
+  // Frame ID that sent this resource request. -1 if unknown / invalid.
+  virtual int64 GetFrameID() const = 0;
+
+  // True if GetParentFrameID() represents a main frame in the RenderView.
+  virtual bool ParentIsMainFrame() const = 0;
+
+  // Frame ID of parent frame of frame that sent this resource request.
+  // -1 if unknown / invalid.
+  virtual int64 GetParentFrameID() const = 0;
+
+  // Returns the associated resource type.
+  virtual ResourceType::Type GetResourceType() const = 0;
+
+  // Returns the associated referrer policy.
+  virtual WebKit::WebReferrerPolicy GetReferrerPolicy() const = 0;
+
+  // When there is upload data, this is the byte count of that data. When there
+  // is no upload, this will be 0.
+  virtual uint64 GetUploadSize() const = 0;
+
+  // Returns false if there is NOT an associated render view.
+  virtual bool GetAssociatedRenderView(int* render_process_id,
+                                       int* render_view_id) const = 0;
+
+ protected:
+  virtual ~ResourceRequestInfo() {}
+};
+
+}  // namespace content
+
+#endif  // CONTENT_PUBLIC_BROWSER_RESOURCE_REQUEST_INFO_H_