#include "components/pdf/browser/pdf_frame_util.h"
#include <functional>
#include "base/check.h"
#include "base/functional/bind.h"
#include "components/pdf/common/constants.h"
#include "components/pdf/common/pdf_util.h"
#include "content/public/browser/render_frame_host.h"
#include "content/public/browser/render_process_host.h"
#include "content/public/browser/web_contents.h"
#include "pdf/pdf_features.h"
namespace pdf_frame_util {
content::RenderFrameHost* FindFullPagePdfExtensionHost(
content::WebContents* contents) { … }
content::RenderFrameHost* FindPdfChildFrame(
content::RenderFrameHost* extension_host) { … }
content::RenderFrameHost* GetEmbedderHost(
content::RenderFrameHost* content_host) { … }
}