Replace IOSurfaceManager by directly passing IOSurface Mach ports over Chrome IPC.

content/test/content_test_suite.cc

Index: content/test/content_test_suite.cc
diff --git a/content/test/content_test_suite.cc b/content/test/content_test_suite.cc
index 97d66ff215bbf4b4fb123bc7a6e3772e57b3ee4c..2cb9731ea48e08a9dce3440f52387cf5f78b34b5 100644
--- a/content/test/content_test_suite.cc
+++ b/content/test/content_test_suite.cc
@@ -23,7 +23,6 @@
 #include "base/mac/scoped_nsautorelease_pool.h"
 #if !defined(OS_IOS)
 #include "base/test/mock_chrome_application_mac.h"
-#include "content/browser/in_process_io_surface_manager_mac.h"
 #endif
 #endif
 
@@ -111,9 +110,6 @@ void ContentTestSuite::Initialize() {
   SurfaceTextureManager::SetInstance(
       InProcessSurfaceTextureManager::GetInstance());
 #endif
-#if defined(OS_MACOSX) && !defined(OS_IOS)
-  gfx::IOSurfaceManager::SetInstance(InProcessIOSurfaceManager::GetInstance());
-#endif
 #if defined(USE_OZONE)
   if (!is_child_process) {
     client_native_pixmap_factory_ = ui::ClientNativePixmapFactory::Create();