Support memory size > 4GB for the renderer process in Windows

Chrome renderer process crash if we allocate more than 4 Gb of memory. Allow a
bigger memory size in Windows sand box if the system has enough memory.

Bug: 756834
Change-Id: I2da53b885049f94c05f0fdf6ff27db8033f55243
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1570633Reviewed-by: Chris Palmer <palmer@chromium.org>
Reviewed-by: Will Harris <wfh@chromium.org>
Commit-Queue: Will Harris <wfh@chromium.org>
Cr-Commit-Position: refs/heads/master@{#653234}

services/service_manager/sandbox/win/sandbox_win.cc

@@ -570,8 +570,10 @@ sandbox::ResultCode SetJobMemoryLimit(const base::CommandLine& cmd_line,
 
   // Note that this command line flag hasn't been fetched by all
   // callers of SetJobLevel, only those in this file.
-  if (service_manager::SandboxTypeFromCommandLine(cmd_line) ==
-      service_manager::SANDBOX_TYPE_GPU) {
+  SandboxType sandbox_type =
+      service_manager::SandboxTypeFromCommandLine(cmd_line);
+  if (sandbox_type == service_manager::SANDBOX_TYPE_GPU ||
+      sandbox_type == service_manager::SANDBOX_TYPE_RENDERER) {
     int64_t GB = 1024 * 1024 * 1024;
     // Allow the GPU process's sandbox to access more physical memory if
     // it's available on the system.