[DevTools] Pass client initiating DevToolsAgentHost::inspectElement.

content/shell/browser/shell_devtools_frontend.cc

 // Copyright 2013 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/shell/browser/shell_devtools_frontend.h"
 
 #include <stddef.h>
 
 #include "base/command_line.h"
 #include "base/json/json_reader.h"
@@ skipping 114 matching lines @@
 
 void ShellDevToolsFrontend::Activate() {
   frontend_shell_->ActivateContents(web_contents());
 }
 
 void ShellDevToolsFrontend::Focus() {
   web_contents()->Focus();
 }
 
 void ShellDevToolsFrontend::InspectElementAt(int x, int y) {
-  if (agent_host_)
-    agent_host_->InspectElement(x, y);
+  if (agent_host_) {
+    agent_host_->InspectElement(this, x, y);
+  } else {
+    inspect_element_at_x_ = x;
+    inspect_element_at_y_ = y;
+  }
 }
 
 void ShellDevToolsFrontend::Close() {
   frontend_shell_->Close();
 }
 
 void ShellDevToolsFrontend::DisconnectFromTarget() {
   if (!agent_host_)
     return;
   agent_host_->DetachClient(this);
   agent_host_ = NULL;
 }
 
 ShellDevToolsFrontend::ShellDevToolsFrontend(Shell* frontend_shell,
                                              WebContents* inspected_contents)
     : WebContentsObserver(frontend_shell->web_contents()),
       frontend_shell_(frontend_shell),
       inspected_contents_(inspected_contents),
+      inspect_element_at_x_(-1),
+      inspect_element_at_y_(-1),
       weak_factory_(this) {
 }
 
 ShellDevToolsFrontend::~ShellDevToolsFrontend() {
   for (const auto& pair : pending_requests_)
     delete pair.first;
 }
 
 void ShellDevToolsFrontend::RenderViewCreated(
     RenderViewHost* render_view_host) {
   if (!frontend_host_) {
     frontend_host_.reset(DevToolsFrontendHost::Create(
         web_contents()->GetMainFrame(),
         base::Bind(&ShellDevToolsFrontend::HandleMessageFromDevToolsFrontend,
                    base::Unretained(this))));
   }
 }
 
 void ShellDevToolsFrontend::DocumentAvailableInMainFrame() {
   agent_host_ = DevToolsAgentHost::GetOrCreateFor(inspected_contents_);
   agent_host_->AttachClient(this);
+  if (inspect_element_at_x_ != -1) {
+    agent_host_->InspectElement(
+        this, inspect_element_at_x_, inspect_element_at_y_);
+    inspect_element_at_x_ = -1;
+    inspect_element_at_y_ = -1;
+  }
 }
 
 void ShellDevToolsFrontend::WebContentsDestroyed() {
   if (agent_host_)
     agent_host_->DetachClient(this);
   delete this;
 }
 
 void ShellDevToolsFrontend::HandleMessageFromDevToolsFrontend(
     const std::string& message) {
@@ skipping 159 matching lines @@
   CallClientFunction("DevToolsAPI.embedderMessageAck",
                      &id_value, arg, nullptr);
 }
 
 void ShellDevToolsFrontend::AgentHostClosed(
     DevToolsAgentHost* agent_host, bool replaced) {
   frontend_shell_->Close();
 }
 
 }  // namespace content