Move TranslateHelper to the translate component.

components/translate/content/renderer/BUILD.gn

 # Copyright 2014 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.
 
 import("//build/config/features.gni")
 
 static_library("renderer") {
   sources = [
     "renderer_cld_data_provider.h",
+    "translate_helper.cc",
+    "translate_helper.h",
   ]
 
   deps = [
     "//base",
+    "//components/translate/content/common",
+    "//components/translate/core/common",
+    "//components/translate/core/language_detection",
     "//content/public/common",
+    "//content/public/renderer",
     "//ipc",
+    "//third_party/WebKit/public:blink",
+    "//url",
+    "//v8",
   ]
 
   if (cld_version == 0 || cld_version == 2) {
     deps += [ "//third_party/cld_2" ]
   }
 
   if (cld2_data_source == "standalone" || cld2_data_source == "component") {
     sources += [
       "data_file_renderer_cld_data_provider.cc",
       "data_file_renderer_cld_data_provider.h",
     ]
   } else if (cld2_data_source == "static") {
     sources += [
       "static_renderer_cld_data_provider.cc",
       "static_renderer_cld_data_provider.h",
     ]
   }
 }