Introduces DevToolsManagerDelegate.

content/browser/web_contents/web_contents_impl.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 "content/browser/web_contents/web_contents_impl.h"
 
 #include <utility>
 
 #include "base/command_line.h"
 #include "base/debug/trace_event.h"
@@ skipping 3863 matching lines @@
   view_->SetOverlayView(static_cast<WebContentsImpl*>(overlay)->GetView(),
                         offset);
 }
 
 void WebContentsImpl::RemoveOverlayView() {
   view_->RemoveOverlayView();
 }
 
 #endif
 
+void WebContentsImpl::InspectWorker(DevToolsAgentHost* agent_host) {
+  if (delegate_)
+    delegate_->InspectWorker(agent_host);
+}
+
 void WebContentsImpl::OnDialogClosed(int render_process_id,
                                      int render_frame_id,
                                      IPC::Message* reply_msg,
                                      bool dialog_was_suppressed,
                                      bool success,
                                      const base::string16& user_input) {
   RenderFrameHostImpl* rfh = RenderFrameHostImpl::FromID(render_process_id,
                                                          render_frame_id);
   last_dialog_suppressed_ = dialog_was_suppressed;
 
@@ skipping 86 matching lines @@
 
 void WebContentsImpl::OnPreferredSizeChanged(const gfx::Size& old_size) {
   if (!delegate_)
     return;
   const gfx::Size new_size = GetPreferredSize();
   if (new_size != old_size)
     delegate_->UpdatePreferredSize(this, new_size);
 }
 
 }  // namespace content