Don't compile code for desktop zoom or GuestViews on mobile platforms.

content/public/test/test_browser_context.cc

 // Copyright (c) 2012 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 "content/public/test/test_browser_context.h"
 
 #include <utility>
 
 #include "base/files/file_path.h"
 #include "base/test/null_task_runner.h"
@@ skipping 60 matching lines @@
   if (!request_context_.get()) {
     request_context_ = new TestContextURLRequestContextGetter();
   }
   return request_context_.get();
 }
 
 base::FilePath TestBrowserContext::GetPath() const {
   return browser_context_dir_.GetPath();
 }
 
+#if !defined(OS_ANDROID)
 std::unique_ptr<ZoomLevelDelegate> TestBrowserContext::CreateZoomLevelDelegate(
     const base::FilePath& partition_path) {
   return std::unique_ptr<ZoomLevelDelegate>();
 }
+#endif  // !defined(OS_ANDROID)
 
 bool TestBrowserContext::IsOffTheRecord() const {
   return is_off_the_record_;
 }
 
 DownloadManagerDelegate* TestBrowserContext::GetDownloadManagerDelegate() {
   return NULL;
 }
 
 ResourceContext* TestBrowserContext::GetResourceContext() {
@@ skipping 52 matching lines @@
 }
 
 net::URLRequestContextGetter*
 TestBrowserContext::CreateMediaRequestContextForStoragePartition(
     const base::FilePath& partition_path,
     bool in_memory) {
   return NULL;
 }
 
 }  // namespace content