chrome: Cleanup class/struct forward declarations

chrome/browser/devtools/devtools_ui_bindings.h

 // 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.
 
 #ifndef CHROME_BROWSER_DEVTOOLS_DEVTOOLS_UI_BINDINGS_H_
 #define CHROME_BROWSER_DEVTOOLS_DEVTOOLS_UI_BINDINGS_H_
 
 #include <memory>
 #include <string>
 #include <vector>
@@ skipping 11 matching lines @@
 #include "content/public/browser/devtools_frontend_host.h"
 #include "net/url_request/url_fetcher_delegate.h"
 #include "ui/gfx/geometry/size.h"
 
 class DevToolsAndroidBridge;
 class InfoBarService;
 class Profile;
 class PortForwardingStatusSerializer;
 
 namespace content {
-struct FileChooserParams;
 class WebContents;
 }
 
 // Base implementation of DevTools bindings around front-end.
 class DevToolsUIBindings : public DevToolsEmbedderMessageDispatcher::Delegate,
                            public DevToolsAndroidBridge::DeviceCountListener,
                            public content::DevToolsAgentHostClient,
                            public net::URLFetcherDelegate,
                            public DevToolsFileHelper::Delegate {
  public:
@@ skipping 187 matching lines @@
       embedder_message_dispatcher_;
   GURL url_;
   using PendingRequestsMap = std::map<const net::URLFetcher*, DispatchCallback>;
   PendingRequestsMap pending_requests_;
   base::WeakPtrFactory<DevToolsUIBindings> weak_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(DevToolsUIBindings);
 };
 
 #endif  // CHROME_BROWSER_DEVTOOLS_DEVTOOLS_UI_BINDINGS_H_