Migrate IPCs between the browser and service processes to mojo.

Bug: 577685
Change-Id: Ic22b9e9a0f8a2d7af074df67662d3422f0efcb1c
Reviewed-on: https://chromium-review.googlesource.com/562943
Commit-Queue: Sam McNally <[email protected]>
Reviewed-by: Ken Rockot <[email protected]>
Reviewed-by: Daniel Cheng <[email protected]>
Reviewed-by: Noel Gordon <[email protected]>
Reviewed-by: Lei Zhang <[email protected]>
Cr-Commit-Position: refs/heads/master@{#497734}
diff --git a/chrome/browser/BUILD.gn b/chrome/browser/BUILD.gn
index 34885f2..1ad51ad 100644
--- a/chrome/browser/BUILD.gn
+++ b/chrome/browser/BUILD.gn
@@ -2566,6 +2566,7 @@
         "service_process/service_process_control.h",
         "service_process/service_process_control_mac.mm",
       ]
+      deps += [ "//chrome/common:service_process_mojom" ]
     } else {
       # Partial-only printing support.
       sources += [