Implement the skeleton of an android content shell.

content/shell/shell_browser_main.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/shell/shell_browser_main.h"
 
 #include "base/command_line.h"
+#include "base/logging.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/threading/thread_restrictions.h"
 #include "content/public/browser/browser_main_runner.h"
 #include "content/shell/shell.h"
 #include "content/shell/shell_browser_context.h"
 #include "content/shell/shell_content_browser_client.h"
 #include "content/shell/shell_switches.h"
 #include "webkit/support/webkit_support.h"
 
 namespace {
 
 GURL GetURLForLayoutTest(const char* test_name) {
+#if defined(OS_ANDROID)
+  // DumpRenderTree is not currently supported for Android using the content
+  // shell.
+  NOTIMPLEMENTED();
+  return GURL::EmptyGURL();
+#else
   std::string path_or_url = test_name;
   std::string pixel_hash;
   std::string timeout;
   std::string::size_type separator_position = path_or_url.find(' ');
   if (separator_position != std::string::npos) {
     timeout = path_or_url.substr(separator_position + 1);
     path_or_url.erase(separator_position);
     separator_position = path_or_url.find(' ');
     if (separator_position != std::string::npos) {
       pixel_hash = timeout.substr(separator_position + 1);
       timeout.erase(separator_position);
     }
   }
   // TODO(jochen): use pixel_hash and timeout.
   GURL test_url = webkit_support::CreateURLForPathOrURL(path_or_url);
   {
     // We're outside of the message loop here, and this is a test.
     base::ThreadRestrictions::ScopedAllowIO allow_io;
     webkit_support::SetCurrentDirectoryForFileURL(test_url);
   }
   return test_url;
+#endif
 }
 
 }  // namespace
 
 // Main routine for running as the Browser process.
 int ShellBrowserMain(const content::MainFunctionParams& parameters) {
   scoped_ptr<content::BrowserMainRunner> main_runner_(
       content::BrowserMainRunner::Create());
 
   int exit_code = main_runner_->Initialize(parameters);
+
+#if defined(OS_ANDROID)
+  DCHECK(exit_code < 0);
+
+  // Return 0 so that we do NOT trigger the default behavior. On Android, the
+  // UI message loop is managed by the Java application.
+  return 0;
+#else
   if (exit_code >= 0)
     return exit_code;
 
   bool layout_test_mode =
       CommandLine::ForCurrentProcess()->HasSwitch(switches::kDumpRenderTree);
 
   if (layout_test_mode) {
     char test_string[2048];
     content::ShellBrowserContext* browser_context =
         static_cast<content::ShellContentBrowserClient*>(
@@ skipping 17 matching lines @@
       content::Shell::CloseAllWindows();
     }
     exit_code = 0;
   } else {
     exit_code = main_runner_->Run();
   }
 
   main_runner_->Shutdown();
 
   return exit_code;
+#endif
 }