NotForReview: Expose the global memory budget (chromium side)

content/renderer/render_thread_impl.cc

 // Copyright (c) 2012 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.
 
 #include "content/renderer/render_thread_impl.h"
 
 #include <algorithm>
 #include <limits>
 #include <map>
 #include <utility>
@@ skipping 606 matching lines @@
 #if defined(USE_EXTERNAL_POPUP_MENU)
   // On Mac and Android Java UI, the select popups are rendered by the browser.
   blink::WebView::setUseExternalPopupMenus(true);
 #endif
 
   lazy_tls.Pointer()->Set(this);
 
   // Register this object as the main thread.
   ChildProcess::current()->set_main_thread(this);
 
+  if (base::FeatureList::IsEnabled(features::kMemoryCoordinator)) {
+    // Disable MemoryPressureListener when memory coordinator is enabled.
+    base::MemoryPressureListener::SetNotificationsSuppressed(true);
+
+    // TODO(bashi): Revisit how to manage the lifetime of
+    // ChildMemoryCoordinatorImpl.
+    // https://codereview.chromium.org/2094583002/#msg52
+    mojom::MemoryCoordinatorHandlePtr parent_coordinator;
+    GetRemoteInterfaces()->GetInterface(mojo::MakeRequest(&parent_coordinator));
+    memory_coordinator_ =
+        CreateChildMemoryCoordinator(std::move(parent_coordinator), this);
+  }
+
   if (IsRunningInMash()) {
     gpu_ = ui::Gpu::Create(GetServiceManagerConnection()->GetConnector(),
                            GetIOTaskRunner());
   } else {
     gpu_ = ui::Gpu::Create(GetRemoteInterfaces(), GetIOTaskRunner());
   }
 
   channel()->GetThreadSafeRemoteAssociatedInterface(
       &thread_safe_render_message_filter_);
   shared_bitmap_manager_.reset(
@@ skipping 182 matching lines @@
       base::CommandLine::ForCurrentProcess()->HasSwitch(
           switches::kEnableNewVp9CodecString)) {
     media::EnableNewVp9CodecStringSupport();
   }
 
   memory_pressure_listener_.reset(new base::MemoryPressureListener(
       base::Bind(&RenderThreadImpl::OnMemoryPressure, base::Unretained(this)),
       base::Bind(&RenderThreadImpl::OnSyncMemoryPressure,
                  base::Unretained(this))));
 
-  if (base::FeatureList::IsEnabled(features::kMemoryCoordinator)) {
-    // Disable MemoryPressureListener when memory coordinator is enabled.
-    base::MemoryPressureListener::SetNotificationsSuppressed(true);
-
-    // TODO(bashi): Revisit how to manage the lifetime of
-    // ChildMemoryCoordinatorImpl.
-    // https://codereview.chromium.org/2094583002/#msg52
-    mojom::MemoryCoordinatorHandlePtr parent_coordinator;
-    GetRemoteInterfaces()->GetInterface(mojo::MakeRequest(&parent_coordinator));
-    memory_coordinator_ = CreateChildMemoryCoordinator(
-        std::move(parent_coordinator), this);
-  }
-
   int num_raster_threads = 0;
   std::string string_value =
       command_line.GetSwitchValueASCII(switches::kNumRasterThreads);
   bool parsed_num_raster_threads =
       base::StringToInt(string_value, &num_raster_threads);
   DCHECK(parsed_num_raster_threads) << string_value;
   DCHECK_GT(num_raster_threads, 0);
 
   // TODO(vmpstr): If the flag sticks, we should clean it up and always have
   // image decode tasks.
@@ skipping 1544 matching lines @@
   }
 }
 
 void RenderThreadImpl::OnRendererInterfaceRequest(
     mojom::RendererAssociatedRequest request) {
   DCHECK(!renderer_binding_.is_bound());
   renderer_binding_.Bind(std::move(request));
 }
 
 }  // namespace content