cc: zero/one-copy based on shared memory on IOS uses GL_TEXTURE_2D, not GL_TEXTURE_RECTANGLE_ARB.

content/browser/renderer_host/render_process_host_impl.cc

Index: content/browser/renderer_host/render_process_host_impl.cc
diff --git a/content/browser/renderer_host/render_process_host_impl.cc b/content/browser/renderer_host/render_process_host_impl.cc
index 0c75bb8ac0d7b0650f94d7fd9b8171414cbf6515..20f36f9cb985dd7d4296dd38b594a22f3312a9ce 100644
--- a/content/browser/renderer_host/render_process_host_impl.cc
+++ b/content/browser/renderer_host/render_process_host_impl.cc
@@ -1040,6 +1040,11 @@ static void AppendCompositorCommandLineFlags(base::CommandLine* command_line) {
     // Surface texture backed GPU memory buffers require TEXTURE_EXTERNAL_OES.
     if (type == gfx::SURFACE_TEXTURE_BUFFER)
       command_line->AppendSwitch(switches::kUseImageExternal);
+
+    // Surface texture backed GPU memory buffers require
+    // GL_TEXTURE_RECTANGLE_ARB.
+    if (type == gfx::IO_SURFACE_BUFFER)
+      command_line->AppendSwitch(switches::kUseImageIOSurface);
   }
 
   // Appending disable-gpu-feature switches due to software rendering list.