Fix "unused variable" warnings.

chrome/browser/android/compositor/layer_title_cache.cc

 // 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.
 
 #include "chrome/browser/android/compositor/layer_title_cache.h"
 
 #include <android/bitmap.h>
 
 #include <memory>
 
@@ skipping 42 matching lines @@
                                   const JavaParamRef<jobject>& obj,
                                   jint tab_id,
                                   jint title_resource_id,
                                   jint favicon_resource_id,
                                   bool is_incognito,
                                   bool is_rtl) {
   DecorationTitle* title_layer = layer_cache_.Lookup(tab_id);
   if (title_layer == NULL) {
     layer_cache_.AddWithID(
         new DecorationTitle(
-            this, resource_manager_, title_resource_id, favicon_resource_id,
+            resource_manager_, title_resource_id, favicon_resource_id,
             spinner_resource_id_, spinner_incognito_resource_id_, fade_width_,
             favicon_start_padding_, favicon_end_padding_, is_incognito, is_rtl),
         tab_id);
   } else {
     if (title_resource_id != -1 && favicon_resource_id != -1) {
       title_layer->Update(title_resource_id, favicon_resource_id, fade_width_,
                           favicon_start_padding_, favicon_end_padding_,
                           is_incognito, is_rtl);
     } else {
       layer_cache_.Remove(tab_id);
@@ skipping 55 matching lines @@
            jint spinner_resource_id,
            jint spinner_incognito_resource_id) {
   LayerTitleCache* cache = new LayerTitleCache(
       env, obj, fade_width, favicon_start_padding, favicon_end_padding,
       spinner_resource_id, spinner_incognito_resource_id);
   return reinterpret_cast<intptr_t>(cache);
 }
 
 }  // namespace android
 }  // namespace chrome