[Android] Abandon bundling DevTools frontends for mobile apps

chrome/browser/chrome_browser_main_android.cc

Index: chrome/browser/chrome_browser_main_android.cc
diff --git a/chrome/browser/chrome_browser_main_android.cc b/chrome/browser/chrome_browser_main_android.cc
index f08ce276a86fcfd0f039df2641e6f7e5cdfb459c..b83a09e1f8858fe21aff39a93f910bb692184725 100644
--- a/chrome/browser/chrome_browser_main_android.cc
+++ b/chrome/browser/chrome_browser_main_android.cc
@@ -84,21 +84,6 @@ void ChromeBrowserMainPartsAndroid::PreEarlyInitialization() {
   ChromeBrowserMainParts::PreEarlyInitialization();
 }
 
-int ChromeBrowserMainPartsAndroid::PreCreateThreads() {
-  TRACE_EVENT0("startup", "ChromeBrowserMainPartsAndroid::PreCreateThreads")
-  // PreCreateThreads initializes ResourceBundle instance.
-  const int result = ChromeBrowserMainParts::PreCreateThreads();
-
-  // Add devtools_resources.pak which is used in Chromium TestShell.
-  base::FilePath paks_path;
-  PathService::Get(ui::DIR_RESOURCE_PAKS_ANDROID, &paks_path);
-  ResourceBundle::GetSharedInstance().AddOptionalDataPackFromPath(
-      paks_path.Append(FILE_PATH_LITERAL("devtools_resources.pak")),
-      ui::SCALE_FACTOR_NONE);
-
-  return result;
-}
-
 void ChromeBrowserMainPartsAndroid::ShowMissingLocaleMessageBox() {
   NOTREACHED();
 }