Remove MemoryCoordinator from RenderProcessHostImpl

Bug: 888904
Change-Id: I5be3ea82fed659cb0fc3ddbe13e308eb9e8c1f38
Reviewed-on: https://chromium-review.googlesource.com/c/1286009
Commit-Queue: Takashi Sakamoto <tasak@google.com>
Reviewed-by: Ken Buchanan <kenrb@chromium.org>
Cr-Commit-Position: refs/heads/master@{#600669}

content/browser/renderer_host/render_process_host_impl.cc

@@ -29,6 +29,7 @@
 #include "base/location.h"
 #include "base/logging.h"
 #include "base/macros.h"
+#include "base/memory/memory_pressure_monitor.h"
 #include "base/memory/ptr_util.h"
 #include "base/memory/ref_counted.h"
 #include "base/memory/shared_memory.h"
@@ -107,7 +108,6 @@
 #include "content/browser/media/capture/audio_mirroring_manager.h"
 #include "content/browser/media/media_internals.h"
 #include "content/browser/media/midi_host.h"
-#include "content/browser/memory/memory_coordinator_impl.h"
 #include "content/browser/mime_registry_impl.h"
 #include "content/browser/payments/payment_manager.h"
 #include "content/browser/permissions/permission_service_context.h"
@@ -796,13 +796,6 @@ class DefaultSubframeProcessHostHolder : public base::SupportsUserData::Data,
   RenderProcessHost* host_ = nullptr;
 };
 
-void CreateMemoryCoordinatorHandleForRenderProcess(
-    int render_process_id,
-    mojom::MemoryCoordinatorHandleRequest request) {
-  MemoryCoordinatorImpl::GetInstance()->CreateHandle(render_process_id,
-                                                     std::move(request));
-}
-
 void CreateProcessResourceCoordinator(
     RenderProcessHostImpl* render_process_host,
     resource_coordinator::mojom::ProcessCoordinationUnitRequest request) {
@@ -2124,11 +2117,6 @@ void RenderProcessHostImpl::RegisterMojoInterfaces() {
       base::Bind(&BroadcastChannelProvider::Connect,
                  base::Unretained(
                      storage_partition_impl_->GetBroadcastChannelProvider())));
-  if (base::FeatureList::IsEnabled(features::kMemoryCoordinator)) {
-    AddUIThreadInterface(
-        registry.get(),
-        base::Bind(&CreateMemoryCoordinatorHandleForRenderProcess, GetID()));
-  }
 
   AddUIThreadInterface(
       registry.get(),