Create native_viewport_service, don't build it into mojo_shell unless Android

mojo/shell/desktop/mojo_main.cc

 // Copyright 2013 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 "base/at_exit.h"
 #include "base/bind.h"
 #include "base/command_line.h"
 #include "base/logging.h"
 #include "base/message_loop/message_loop.h"
 #include "mojo/shell/child_process.h"
 #include "mojo/shell/context.h"
 #include "mojo/shell/init.h"
 #include "mojo/shell/switches.h"
 #include "ui/gl/gl_surface.h"
 
 namespace {
 
-void RunApps(mojo::shell::Context* context, std::vector<GURL> app_urls) {
-  for (std::vector<GURL>::const_iterator it = app_urls.begin();
-       it != app_urls.end(); ++it) {
-    context->Run(*it);
+void RunApps(mojo::shell::Context* context) {
+  const base::CommandLine& command_line =
+      *base::CommandLine::ForCurrentProcess();
+  base::CommandLine::StringVector args = command_line.GetArgs();
+  for (base::CommandLine::StringVector::const_iterator it = args.begin();
+       it != args.end();
+       ++it) {
+    context->Run(GURL(*it));
   }
 }
 
 }  // namespace
 
 int main(int argc, char** argv) {
   base::AtExitManager at_exit;
   base::CommandLine::Init(argc, argv);
   mojo::shell::InitializeLogging();
 
   // TODO(vtl): Unify parent and child process cases to the extent possible.
   if (scoped_ptr<mojo::shell::ChildProcess> child_process =
           mojo::shell::ChildProcess::Create(
               *base::CommandLine::ForCurrentProcess())) {
     child_process->Main();
   } else {
+#if defined(COMPONENT_BUILD)
     gfx::GLSurface::InitializeOneOff();
-
+#endif
     // We want the shell::Context to outlive the MessageLoop so that pipes are
     // all gracefully closed / error-out before we try to shut the Context down.
     mojo::shell::Context shell_context;
     {
       base::MessageLoop message_loop;
       shell_context.Init();
 
       const base::CommandLine& command_line =
           *base::CommandLine::ForCurrentProcess();
       if (command_line.HasSwitch(switches::kOrigin)) {
         shell_context.mojo_url_resolver()->SetBaseURL(
             GURL(command_line.GetSwitchValueASCII(switches::kOrigin)));
       }
 
-      std::vector<GURL> app_urls;
-      base::CommandLine::StringVector args = command_line.GetArgs();
-      for (base::CommandLine::StringVector::const_iterator it = args.begin();
-           it != args.end();
-           ++it)
-        app_urls.push_back(GURL(*it));
-
-      message_loop.PostTask(FROM_HERE,
-                            base::Bind(RunApps,
-                                       &shell_context,
-                                       app_urls));
+      message_loop.PostTask(FROM_HERE, base::Bind(RunApps, &shell_context));
       message_loop.Run();
     }
   }
   return 0;
 }