PageOverlays: Remove PageOverlayList

public/BUILD.gn

 # Copyright 2014 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.
 
 import("//tools/grit/grit_rule.gni")
 
 if (is_android) {
   import("//build/config/android/rules.gni")
 }
 
@@ skipping 433 matching lines @@
     "web/WebArrayBufferConverter.h",
     "web/WebMediaPlayerAction.h",
     "web/WebEmbeddedWorkerStartData.h",
     "web/WebConsoleMessage.h",
     "web/WebSpeechRecognitionHandle.h",
     "web/WebSpellCheckClient.h",
     "web/WebTextAreaElement.h",
     "web/WebDOMMouseEvent.h",
     "web/WebFrame.h",
     "web/WebViewClient.h",
-    "web/WebPageOverlay.h",
     "web/WebHistoryCommitType.h",
     "web/WebSecurityPolicy.h",
     "web/mac/WebInputEventFactory.h",
     "web/mac/WebSubstringUtil.h",
     "web/mac/WebScrollbarTheme.h",
     "web/WebDOMResourceProgressEvent.h",
     "web/WebSharedWorkerRepositoryClient.h",
     "web/WebMIDIPermissionRequest.h",
     "web/WebDOMActivityLogger.h",
     "web/WebSelection.h",
@@ skipping 180 matching lines @@
 grit("image_resources") {
   output_dir = "$root_gen_dir/blink/public/resources"
   use_qualified_include = true
   source = "blink_image_resources.grd"
   outputs = [
     "grit/blink_image_resources.h",
     "blink_image_resources_100_percent.pak",
     "blink_image_resources_200_percent.pak",
   ]
 }