First experimental implementation of the Clear-Site-Data header

chrome/browser/chrome_content_browser_client.h

Index: chrome/browser/chrome_content_browser_client.h
diff --git a/chrome/browser/chrome_content_browser_client.h b/chrome/browser/chrome_content_browser_client.h
index ee8e82a83bbf69ba479c61422b9dc13094788dc4..39a93d5906e8afca5705b396fa1d9ca7eefe1c0f 100644
--- a/chrome/browser/chrome_content_browser_client.h
+++ b/chrome/browser/chrome_content_browser_client.h
@@ -41,6 +41,10 @@ namespace version_info {
 enum class Channel;
 }
 
+namespace url {
+class Origin;
+}
+
 class ChromeContentBrowserClient : public content::ContentBrowserClient {
  public:
   ChromeContentBrowserClient();
@@ -215,6 +219,9 @@ class ChromeContentBrowserClient : public content::ContentBrowserClient {
   void BrowserURLHandlerCreated(content::BrowserURLHandler* handler) override;
   void ClearCache(content::RenderFrameHost* rfh) override;
   void ClearCookies(content::RenderFrameHost* rfh) override;
+  void ClearSiteData(
+      content::BrowserContext* browser_context, const url::Origin& origin,
+      bool remove_cookies, bool remove_storage, bool remove_cache) override;
   base::FilePath GetDefaultDownloadDirectory() override;
   std::string GetDefaultDownloadName() override;
   base::FilePath GetShaderDiskCacheDirectory() override;