Clean up unused ContentBrowserClient methods that access cookie settings.

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 6c9064a5e5f4aaba3e9821c08bfdc60666d02bc5..a39fb98aa2a6b3fc2f365ca95c67256cab3eece2 100644
--- a/chrome/browser/chrome_content_browser_client.h
+++ b/chrome/browser/chrome_content_browser_client.h
@@ -153,7 +153,6 @@ class ChromeContentBrowserClient : public content::ContentBrowserClient {
                       int render_process_id,
                       int render_frame_id,
                       const net::CookieOptions& options) override;
-  bool AllowSaveLocalState(content::ResourceContext* context) override;
   void AllowWorkerFileSystem(
       const GURL& url,
       content::ResourceContext* context,
@@ -164,11 +163,6 @@ class ChromeContentBrowserClient : public content::ContentBrowserClient {
       const base::string16& name,
       content::ResourceContext* context,
       const std::vector<std::pair<int, int>>& render_frames) override;
-#if BUILDFLAG(ENABLE_WEBRTC)
-  bool AllowWebRTCIdentityCache(const GURL& url,
-                                const GURL& first_party_url,
-                                content::ResourceContext* context) override;
-#endif  // BUILDFLAG(ENABLE_WEBRTC)
   AllowWebBluetoothResult AllowWebBluetooth(
       content::BrowserContext* browser_context,
       const url::Origin& requesting_origin,