content/public/browser/tracing_delegate.h

   1 // Copyright 2015 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #ifndef CONTENT_PUBLIC_BROWSER_TRACING_DELEGATE_H_
   6 #define CONTENT_PUBLIC_BROWSER_TRACING_DELEGATE_H_
   7
   8 #include "base/memory/scoped_ptr.h"
   9 #include "content/common/content_export.h"
  10
  11 namespace base {
  12 class Time;
  13 }
  14
  15 namespace net {
  16 class URLRequestContextGetter;
  17 }
  18
  19 namespace content {
  20 struct BackgroundTracingConfig;
  21 class TraceUploader;
  22
  23 // This can be implemented by the embedder to provide functionality for the
  24 // about://tracing WebUI.
  25 class CONTENT_EXPORT TracingDelegate {
  26  public:
  27   virtual ~TracingDelegate() {}
  28
  29   // Provide trace uploading functionality; see trace_uploader.h.
  30   virtual scoped_ptr<TraceUploader> GetTraceUploader(
  31       net::URLRequestContextGetter* request_context) = 0;
  32
  33   // This can be used to veto a particular background tracing scenario.
  34   virtual bool IsAllowedToBeginBackgroundScenario(
  35       const BackgroundTracingConfig& config,
  36       bool requires_anonymized_data);
  37
  38   virtual bool IsAllowedToEndBackgroundScenario(
  39       const content::BackgroundTracingConfig& config,
  40       bool requires_anonymized_data);
  41 };
  42
  43 }  // namespace content
  44
  45 #endif  // CONTENT_PUBLIC_BROWSER_TRACING_DELEGATE_H_