Move unique name generation and tracking into //content.

components/printing/renderer/print_web_view_helper.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 "components/printing/renderer/print_web_view_helper.h"
 
 #include <stddef.h>
 #include <stdint.h>
 
 #include <algorithm>
@@ skipping 662 matching lines @@
   void didStopLoading() override;
   // TODO(ojan): Remove this override and have this class use a non-null
   // layerTreeView.
   bool allowsBrokenNullLayerTreeView() const override;
 
   // blink::WebFrameClient:
   blink::WebLocalFrame* createChildFrame(
       blink::WebLocalFrame* parent,
       blink::WebTreeScopeType scope,
       const blink::WebString& name,
-      const blink::WebString& unique_name,
+      const blink::WebString& fallback_name,
       blink::WebSandboxFlags sandbox_flags,
       const blink::WebFrameOwnerProperties& frame_owner_properties) override;
 
   void CallOnReady();
   void ResizeForPrinting();
   void RestoreSize();
   void CopySelection(const WebPreferences& preferences);
 
   FrameReference frame_;
   blink::WebNode node_to_print_;
@@ skipping 138 matching lines @@
   // called didStopLoading.
   base::ThreadTaskRunnerHandle::Get()->PostTask(
       FROM_HERE, base::Bind(&PrepareFrameAndViewForPrint::CallOnReady,
                             weak_ptr_factory_.GetWeakPtr()));
 }
 
 blink::WebLocalFrame* PrepareFrameAndViewForPrint::createChildFrame(
     blink::WebLocalFrame* parent,
     blink::WebTreeScopeType scope,
     const blink::WebString& name,
-    const blink::WebString& unique_name,
+    const blink::WebString& fallback_name,
     blink::WebSandboxFlags sandbox_flags,
     const blink::WebFrameOwnerProperties& frame_owner_properties) {
   blink::WebLocalFrame* frame =
       blink::WebLocalFrame::create(scope, this, nullptr, nullptr);
   parent->appendChild(frame);
   return frame;
 }
 
 void PrepareFrameAndViewForPrint::CallOnReady() {
   return on_ready_.Run();  // Can delete |this|.
@@ skipping 1515 matching lines @@
       blink::WebConsoleMessage::LevelWarning, message));
   return false;
 }
 
 void PrintWebViewHelper::ScriptingThrottler::Reset() {
   // Reset counter on successful print.
   count_ = 0;
 }
 
 }  // namespace printing