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// Copyright 2021 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "chrome/browser/universal_web_contents_observers.h"
#include "components/performance_manager/embedder/performance_manager_registry.h"
#include "content/public/browser/web_contents.h"
#include "extensions/buildflags/buildflags.h"
#if BUILDFLAG(ENABLE_EXTENSIONS_CORE)
#include "chrome/browser/extensions/chrome_content_browser_client_extensions_part.h"
#include "extensions/browser/extensions_browser_client.h"
#endif
void AttachUniversalWebContentsObservers(content::WebContents* web_contents) {
// This function is for attaching *universal* WebContentsObservers - ones that
// should be attached to *every* WebContents. Such universal observers and/or
// helpers are relatively rare and therefore only a limited set of observers
// should be handled below.
//
// In particular, helpers handled by TabHelpers::AttachTabHelpers typically
// only apply to tabs, but not to other flavors of WebContents. As pointed
// out by //docs/tab_helpers.md there are WebContents that are not tabs
// and not every WebContents has (or needs) every tab helper.
#if BUILDFLAG(ENABLE_EXTENSIONS_CORE)
if (!extensions::ChromeContentBrowserClientExtensionsPart::
AreExtensionsDisabledForProfile(web_contents->GetBrowserContext())) {
extensions::ExtensionsBrowserClient::Get()
->CreateExtensionWebContentsObserver(web_contents);
}
#endif
if (auto* pm_registry =
performance_manager::PerformanceManagerRegistry::GetInstance()) {
pm_registry->MaybeCreatePageNodeForWebContents(web_contents);
}
}
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