[content shell] Add layout test specific font setup (for linux only right now)

content/shell/shell_main_delegate.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_main_delegate.h"
 
 #include "base/command_line.h"
 #include "base/file_path.h"
 #include "base/logging.h"
 #include "base/path_service.h"
 #include "content/public/browser/browser_main_runner.h"
 #include "content/public/common/content_switches.h"
 #include "content/public/common/url_constants.h"
 #include "content/shell/shell_browser_main.h"
 #include "content/shell/shell_content_browser_client.h"
 #include "content/shell/shell_content_renderer_client.h"
 #include "content/shell/shell_switches.h"
+#include "content/shell/webkit_test_platform_support.h"
 #include "net/cookies/cookie_monster.h"
 #include "net/http/http_stream_factory.h"
 #include "ui/base/resource/resource_bundle.h"
 #include "ui/base/ui_base_paths.h"
 
 #if defined(OS_ANDROID)
 #include "base/global_descriptors_posix.h"
 #include "content/shell/android/shell_descriptors.h"
 #endif
 
@@ skipping 58 matching lines @@
 #endif
 
   InitLogging();
   if (CommandLine::ForCurrentProcess()->HasSwitch(switches::kDumpRenderTree)) {
     CommandLine::ForCurrentProcess()->AppendSwitch(
         switches::kAllowFileAccessFromFiles);
     CommandLine::ForCurrentProcess()->AppendSwitch(
         switches::kForceCompositingMode);
     //net::HttpStreamFactory::set_ignore_certificate_errors(true);
     net::CookieMonster::EnableFileScheme();
+    if (!WebKitTestPlatformInitialize()) {
+      if (exit_code)
+        *exit_code = 1;
+      return true;
+    }
   }
   SetContentClient(&content_client_);
   return false;
 }
 
 void ShellMainDelegate::PreSandboxStartup() {
 #if defined(OS_MACOSX)
   OverrideFrameworkBundlePath();
   OverrideChildProcessPath();
 #endif  // OS_MACOSX
@@ skipping 57 matching lines @@
   browser_client_.reset(new ShellContentBrowserClient);
   return browser_client_.get();
 }
 
 ContentRendererClient* ShellMainDelegate::CreateContentRendererClient() {
   renderer_client_.reset(new ShellContentRendererClient);
   return renderer_client_.get();
 }
 
 }  // namespace content