Remove unused allowWebComponents method from ContentSettingsObserver

chrome/renderer/content_settings_observer.cc

 // Copyright (c) 2012 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.
 
 #include "chrome/renderer/content_settings_observer.h"
 
 #include "base/command_line.h"
 #include "base/metrics/histogram.h"
 #include "chrome/common/chrome_switches.h"
 #include "chrome/common/render_messages.h"
@@ skipping 412 matching lines @@
 bool ContentSettingsObserver::allowWriteToClipboard(bool default_value) {
   bool allowed = false;
 #if defined(ENABLE_EXTENSIONS)
   WebFrame* frame = render_frame()->GetWebFrame();
   Send(new ChromeViewHostMsg_CanTriggerClipboardWrite(
       GURL(frame->document().securityOrigin().toString()), &allowed));
 #endif
   return allowed;
 }
 
-bool ContentSettingsObserver::allowWebComponents(bool default_value) {
-  if (default_value)
-    return true;
-
-  WebFrame* frame = render_frame()->GetWebFrame();
-  WebSecurityOrigin origin = frame->document().securityOrigin();
-  if (EqualsASCII(origin.protocol(), content::kChromeUIScheme))
-    return true;
-
-  if (const extensions::Extension* extension = GetExtension(origin)) {
-    if (extension->permissions_data()->HasAPIPermission(
-            APIPermission::kExperimental))
-      return true;
-  }
-
-  return false;
-}
-
 bool ContentSettingsObserver::allowMutationEvents(bool default_value) {
   WebFrame* frame = render_frame()->GetWebFrame();
   WebSecurityOrigin origin = frame->document().securityOrigin();
   const extensions::Extension* extension = GetExtension(origin);
   if (extension && extension->is_platform_app())
     return false;
   return default_value;
 }
 
 bool ContentSettingsObserver::allowPushState() {
@@ skipping 247 matching lines @@
 
   // If the scheme is file:, an empty file name indicates a directory listing,
   // which requires JavaScript to function properly.
   if (EqualsASCII(origin.protocol(), url::kFileScheme)) {
     return document_url.SchemeIs(url::kFileScheme) &&
            document_url.ExtractFileName().empty();
   }
 
   return false;
 }