[DevTools] Calculate target type and title once in constructor

chrome/browser/android/devtools_manager_delegate_android.cc

Index: chrome/browser/android/devtools_manager_delegate_android.cc
diff --git a/chrome/browser/android/devtools_manager_delegate_android.cc b/chrome/browser/android/devtools_manager_delegate_android.cc
index 96f58833188456d5dc1055b492e917f0e0fd1ec8..0d84421c0d559ac1d731bfc648f0b7df08f040ba 100644
--- a/chrome/browser/android/devtools_manager_delegate_android.cc
+++ b/chrome/browser/android/devtools_manager_delegate_android.cc
@@ -186,14 +186,6 @@ std::string DevToolsManagerDelegateAndroid::GetTargetType(
       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)