| // Copyright 2013 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_BROWSER_SITE_ISOLATION_SITE_DETAILS_H_ |
| #define CHROME_BROWSER_SITE_ISOLATION_SITE_DETAILS_H_ |
| |
| #include <stdint.h> |
| |
| #include <map> |
| #include <set> |
| |
| #include "base/macros.h" |
| #include "content/public/browser/browser_context.h" |
| #include "content/public/browser/site_instance.h" |
| #include "content/public/browser/web_contents.h" |
| |
| // Collects metrics about an actual browsing instance in the current session. |
| struct BrowsingInstanceInfo { |
| BrowsingInstanceInfo(); |
| BrowsingInstanceInfo(const BrowsingInstanceInfo& other); |
| ~BrowsingInstanceInfo(); |
| |
| std::set<content::SiteInstance*> site_instances; |
| int proxy_count = 0; |
| }; |
| using BrowsingInstanceMap = |
| std::map<content::SiteInstance*, BrowsingInstanceInfo>; |
| |
| // Information about the sites and SiteInstances in each BrowsingInstance, for |
| // use in estimating the number of processes needed for various process models. |
| struct SiteData { |
| SiteData(); |
| SiteData(const SiteData& other); |
| ~SiteData(); |
| |
| // This map groups related SiteInstances together into BrowsingInstances. The |
| // first SiteInstance we see in a BrowsingInstance is designated as the |
| // 'primary' SiteInstance, and becomes the key of this map. |
| BrowsingInstanceMap browsing_instances; |
| |
| // A count of all RenderFrameHosts, which are in a different SiteInstance from |
| // their parents. |
| int out_of_process_frames = 0; |
| }; |
| |
| // Maps a BrowserContext to information about the sites it contains. |
| typedef std::map<content::BrowserContext*, SiteData> BrowserContextSiteDataMap; |
| |
| class SiteDetails { |
| public: |
| // Collect information about all committed sites in the given WebContents |
| // on the UI thread. |
| static void CollectSiteInfo(content::WebContents* contents, |
| SiteData* site_data); |
| |
| // Updates the global histograms for tracking memory usage. |
| static void UpdateHistograms(const BrowserContextSiteDataMap& site_data_map); |
| |
| private: |
| // Only static methods - never needs to be constructed. |
| SiteDetails() = delete; |
| ~SiteDetails() = delete; |
| |
| DISALLOW_COPY_AND_ASSIGN(SiteDetails); |
| }; |
| |
| #endif // CHROME_BROWSER_SITE_ISOLATION_SITE_DETAILS_H_ |