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// Copyright 2016 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef COMPONENTS_PAGE_LOAD_METRICS_BROWSER_PAGE_LOAD_METRICS_EMBEDDER_INTERFACE_H_
#define COMPONENTS_PAGE_LOAD_METRICS_BROWSER_PAGE_LOAD_METRICS_EMBEDDER_INTERFACE_H_
#include <memory>
#include <string_view>
class GURL;
namespace base {
class OneShotTimer;
} // namespace base
namespace content {
class BrowserContext;
class NavigationHandle;
class WebContents;
} // namespace content
namespace page_load_metrics {
class PageLoadMetricsMemoryTracker;
class PageLoadTracker;
// This class serves as a functional interface to various chrome// features.
// Impl version is defined in components/page_load_metrics/browser.
class PageLoadMetricsEmbedderInterface {
public:
virtual ~PageLoadMetricsEmbedderInterface() = default;
virtual bool IsNewTabPageUrl(const GURL& url) = 0;
virtual void RegisterObservers(
PageLoadTracker* metrics,
content::NavigationHandle* navigation_handle) = 0;
virtual std::unique_ptr<base::OneShotTimer> CreateTimer() = 0;
virtual bool IsNoStatePrefetch(content::WebContents* web_contents) = 0;
virtual bool IsExtensionUrl(const GURL& url) = 0;
virtual bool IsNonTabWebUI(const GURL& url) = 0;
virtual bool ShouldObserveScheme(std::string_view scheme) = 0;
virtual bool IsIncognito(content::WebContents* web_contents) = 0;
// Returns the PageLoadMetricsMemoryTracker for the given BrowserContext if
// tracking is enabled.
virtual PageLoadMetricsMemoryTracker* GetMemoryTrackerForBrowserContext(
content::BrowserContext* browser_context) = 0;
};
} // namespace page_load_metrics
#endif // COMPONENTS_PAGE_LOAD_METRICS_BROWSER_PAGE_LOAD_METRICS_EMBEDDER_INTERFACE_H_
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