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// 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 CHROME_RENDERER_CHROME_RENDER_PROCESS_OBSERVER_H_
#define CHROME_RENDERER_CHROME_RENDER_PROCESS_OBSERVER_H_
#include <string>
#include "base/compiler_specific.h"
#include "base/files/file_path.h"
#include "base/macros.h"
#include "base/memory/scoped_ptr.h"
#include "base/memory/weak_ptr.h"
#include "base/metrics/field_trial.h"
#include "base/process/process.h"
#include "components/content_settings/core/common/content_settings.h"
#include "content/public/renderer/render_process_observer.h"
class GURL;
struct ContentSettings;
namespace base {
class CommandLine;
}
namespace content {
class ResourceDispatcherDelegate;
}
// This class filters the incoming control messages (i.e. ones not destined for
// a RenderView) for Chrome specific messages that the content layer doesn't
// happen. If a few messages are related, they should probably have their own
// observer.
class ChromeRenderProcessObserver : public content::RenderProcessObserver,
public base::FieldTrialList::Observer {
public:
ChromeRenderProcessObserver();
~ChromeRenderProcessObserver() override;
static bool is_incognito_process() { return is_incognito_process_; }
// Returns a pointer to the content setting rules owned by
// |ChromeRenderProcessObserver|.
const RendererContentSettingRules* content_setting_rules() const;
private:
// Initializes field trial state change observation and notifies the browser
// of any field trials that might have already been activated.
void InitFieldTrialObserving(const base::CommandLine& command_line);
// content::RenderProcessObserver:
bool OnControlMessageReceived(const IPC::Message& message) override;
// base::FieldTrialList::Observer:
void OnFieldTrialGroupFinalized(const std::string& trial_name,
const std::string& group_name) override;
void OnSetIsIncognitoProcess(bool is_incognito_process);
void OnSetContentSettingsForCurrentURL(
const GURL& url, const ContentSettings& content_settings);
void OnSetContentSettingRules(const RendererContentSettingRules& rules);
void OnGetCacheResourceStats();
void OnSetFieldTrialGroup(const std::string& fiel_trial_name,
const std::string& group_name,
base::ProcessId sender_pid);
static bool is_incognito_process_;
scoped_ptr<content::ResourceDispatcherDelegate> resource_delegate_;
RendererContentSettingRules content_setting_rules_;
base::WeakPtrFactory<ChromeRenderProcessObserver> weak_factory_;
DISALLOW_COPY_AND_ASSIGN(ChromeRenderProcessObserver);
};
#endif // CHROME_RENDERER_CHROME_RENDER_PROCESS_OBSERVER_H_
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