Revert of WebVR compositor bypass via BrowserMain context + mailbox

device/vr/BUILD.gn

 # Copyright 2016 The Chromium Authors. All rights reserved.
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.
 
 import("//build/config/features.gni")
 import("//mojo/public/tools/bindings/mojom.gni")
 
 if (is_android) {
   import("//build/config/android/rules.gni")  # For generate_jni().
 }
@@ skipping 42 matching lines @@
         "android/gvr/gvr_device.cc",
         "android/gvr/gvr_device.h",
         "android/gvr/gvr_device_provider.cc",
         "android/gvr/gvr_device_provider.h",
         "android/gvr/gvr_gamepad_data_fetcher.cc",
         "android/gvr/gvr_gamepad_data_fetcher.h",
       ]
 
       deps += [
         "//device/gamepad",
-        "//gpu/ipc/common:interfaces",
         "//third_party/WebKit/public:blink_headers",
       ]
       ldflags = [ "-landroid" ]
       libs = [ "//third_party/gvr-android-sdk/libgvr_shim_static_${current_cpu}.a" ]
       configs += [ "//third_party/gvr-android-sdk:libgvr_config" ]
     }
   }
 }
 
 if (enable_webvr) {
@@ skipping 19 matching lines @@
     ]
   }
 }
 
 mojom("mojo_bindings") {
   sources = [
     "vr_service.mojom",
   ]
 
   public_deps = [
-    "//gpu/ipc/common:interfaces",
     "//mojo/common:common_custom_types",
   ]
 
   export_class_attribute = "DEVICE_VR_EXPORT"
   export_define = "DEVICE_VR_IMPLEMENTATION=1"
   export_header = "device/vr/vr_export.h"
 }