Pull necessary dependencies to be able to process mojo.gyp on iOS

content/app/content_main_runner.cc

Index: content/app/content_main_runner.cc
diff --git a/content/app/content_main_runner.cc b/content/app/content_main_runner.cc
index e9aebce43157352adb791f8f559fbb2b89d4b532..1f3cc2437df18886044308802e2c6e6f58f81070 100644
--- a/content/app/content_main_runner.cc
+++ b/content/app/content_main_runner.cc
@@ -26,6 +26,7 @@
 #include "base/strings/string_number_conversions.h"
 #include "base/strings/string_util.h"
 #include "base/strings/stringprintf.h"
+#include "content/app/mojo/mojo_init.h"
 #include "content/browser/browser_main.h"
 #include "content/common/set_process_title.h"
 #include "content/common/url_schemes.h"
@@ -63,7 +64,6 @@
 #endif
 
 #if !defined(OS_IOS)
-#include "content/app/mojo/mojo_init.h"
 #include "content/browser/gpu/gpu_process_host.h"
 #include "content/browser/renderer_host/render_process_host_impl.h"
 #include "content/browser/utility_process_host_impl.h"
@@ -612,10 +612,8 @@ class ContentMainRunnerImpl : public ContentMainRunner {
     std::string process_type =
         command_line.GetSwitchValueASCII(switches::kProcessType);
 
-#if !defined(OS_IOS)
     // Initialize mojo here so that services can be registered.
     InitializeMojo();
-#endif
 
     if (!GetContentClient())
       SetContentClient(&empty_content_client_);