[DevTools] Calculate target type and title once in constructor

chrome/browser/android/devtools_manager_delegate_android.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 "chrome/browser/android/devtools_manager_delegate_android.h"
 
 #include "base/bind.h"
 #include "base/memory/ptr_util.h"
 #include "base/strings/string_number_conversions.h"
 #include "base/strings/utf_string_conversions.h"
@@ skipping 168 matching lines @@
 std::string DevToolsManagerDelegateAndroid::GetTargetType(
     content::RenderFrameHost* host) {
   content::WebContents* web_contents =
       content::WebContents::FromRenderFrameHost(host);
   TabAndroid* tab = web_contents ? TabAndroid::FromWebContents(web_contents)
       : nullptr;
   return tab ? DevToolsAgentHost::kTypePage :
       DevToolsAgentHost::kTypeOther;
 }
 
-std::string DevToolsManagerDelegateAndroid::GetTargetTitle(
-    content::RenderFrameHost* host) {
-  content::WebContents* web_contents =
-      content::WebContents::FromRenderFrameHost(host);
-  TabAndroid* tab = TabAndroid::FromWebContents(web_contents);
-  return tab ? base::UTF16ToUTF8(tab->GetTitle()) : "";
-}
-
 bool DevToolsManagerDelegateAndroid::DiscoverTargets(
       const DevToolsAgentHost::DiscoveryCallback& callback) {
 #if defined(OS_ANDROID)
   // Enumerate existing tabs, including the ones with no WebContents.
   DevToolsAgentHost::List result;
   std::set<WebContents*> tab_web_contents;
   for (TabModelList::const_iterator iter = TabModelList::begin();
       iter != TabModelList::end(); ++iter) {
     TabModel* model = *iter;
     for (int i = 0; i < model->GetTabCount(); ++i) {
@@ skipping 59 matching lines @@
 
 void DevToolsManagerDelegateAndroid::DevToolsAgentHostAttached(
     content::DevToolsAgentHost* agent_host) {
   network_protocol_handler_->DevToolsAgentStateChanged(agent_host, true);
 }
 
 void DevToolsManagerDelegateAndroid::DevToolsAgentHostDetached(
     content::DevToolsAgentHost* agent_host) {
   network_protocol_handler_->DevToolsAgentStateChanged(agent_host, false);
 }