[ServiceWorker] Associate interfaces.

content/public/test/mock_render_process_host.cc

Index: content/public/test/mock_render_process_host.cc
diff --git a/content/public/test/mock_render_process_host.cc b/content/public/test/mock_render_process_host.cc
index 1d87a48ad2aaad174b1c5963fa088021616a0839..ddcb3c5b33252a711368033d8f7ebab3cd91f8d1 100644
--- a/content/public/test/mock_render_process_host.cc
+++ b/content/public/test/mock_render_process_host.cc
@@ -29,6 +29,7 @@
 #include "content/public/browser/notification_types.h"
 #include "content/public/browser/render_widget_host_iterator.h"
 #include "content/public/browser/storage_partition.h"
+#include "content/public/test/fake_associated_interface_provider_impl.h"
 #include "media/media_features.h"
 #include "mojo/public/cpp/bindings/associated_interface_ptr.h"
 
@@ -260,6 +261,16 @@ MockRenderProcessHost::GetRemoteInterfaces() {
   return remote_interfaces_.get();
 }
 
+AssociatedInterfaceProvider*
+MockRenderProcessHost::GetAssociatedInterfaceProviderForTesting() {
+  if (!fake_associated_interface_provider_) {
+    fake_associated_interface_provider_ =
+        base::MakeUnique<FakeAssociatedInterfaceProviderImpl>();
+  }
+
+  return fake_associated_interface_provider_.get();
+}
+
 std::unique_ptr<base::SharedPersistentMemoryAllocator>
 MockRenderProcessHost::TakeMetricsAllocator() {
   return nullptr;