content: Remove web_frame_utils.*.

They are unused.

Change-Id: I5857cac266ddbe296188490817edc1aeb70a45d6
Reviewed-on: https://chromium-review.googlesource.com/1132294
Commit-Queue: Avi Drissman <avi@chromium.org>
Reviewed-by: Avi Drissman <avi@chromium.org>
Cr-Commit-Position: refs/heads/master@{#574168}

content/renderer/BUILD.gn

@@ -621,8 +621,6 @@ target(link_target_type, "renderer") {
     "v8_value_converter_impl.h",
     "web_database_observer_impl.cc",
     "web_database_observer_impl.h",
-    "web_frame_utils.cc",
-    "web_frame_utils.h",
     "web_ui_extension.cc",
     "web_ui_extension.h",
     "web_ui_extension_data.cc",

content/renderer/render_frame_impl.cc

@@ -151,7 +151,6 @@
 #include "content/renderer/skia_benchmarking_extension.h"
 #include "content/renderer/stats_collection_controller.h"
 #include "content/renderer/v8_value_converter_impl.h"
-#include "content/renderer/web_frame_utils.h"
 #include "content/renderer/web_ui_extension.h"
 #include "content/renderer/web_ui_extension_data.h"
 #include "crypto/sha2.h"

content/renderer/web_frame_utils.cc

-// Copyright 2015 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 "content/renderer/web_frame_utils.h"
-
-#include "content/renderer/render_frame_impl.h"
-#include "content/renderer/render_frame_proxy.h"
-#include "ipc/ipc_message.h"
-#include "third_party/blink/public/web/web_frame.h"
-#include "third_party/blink/public/web/web_local_frame.h"
-#include "third_party/blink/public/web/web_remote_frame.h"
-
-namespace content {
-
-blink::WebFrame* GetWebFrameFromRoutingIdForFrameOrProxy(int routing_id) {
-  auto* render_frame = RenderFrameImpl::FromRoutingID(routing_id);
-  if (render_frame)
-    return render_frame->GetWebFrame();
-
-  auto* render_frame_proxy = RenderFrameProxy::FromRoutingID(routing_id);
-  if (render_frame_proxy)
-    return render_frame_proxy->web_frame();
-
-  return nullptr;
-}
-
-}  // namespace content

content/renderer/web_frame_utils.h

-// Copyright 2015 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.
-
-#ifndef CONTENT_RENDERER_WEB_FRAME_UTILS_H_
-#define CONTENT_RENDERER_WEB_FRAME_UTILS_H_
-
-namespace blink {
-class WebFrame;
-}
-
-namespace content {
-
-// Returns either a WebLocalFrame or WebRemoteFrame based on |routing_id|.
-// Returns nullptr if |routing_id| doesn't properly map to a frame.
-blink::WebFrame* GetWebFrameFromRoutingIdForFrameOrProxy(int routing_id);
-
-}  // namespace content
-
-#endif  // CONTENT_RENDERER_WEB_FRAME_UTILS_H_