Expose MemoryCoordinator's global budget information.

content/browser/memory/memory_coordinator.cc

Index: content/browser/memory/memory_coordinator.cc
diff --git a/content/browser/memory/memory_coordinator.cc b/content/browser/memory/memory_coordinator.cc
index 517aaedc34a1a13f696d9e0532c5c4c9117458a1..2f8b906f7906c4e710b08b9c064414cdef2976dc 100644
--- a/content/browser/memory/memory_coordinator.cc
+++ b/content/browser/memory/memory_coordinator.cc
@@ -112,6 +112,24 @@ bool MemoryCoordinator::SetMemoryState(int render_process_id,
   return true;
 }
 
+bool MemoryCoordinator::SetRemainingGlobalBudget(
+    int render_process_id, int64_t remaining_global_budget_mb) {
+  // Can't send a message to a child that doesn't exist.
+  auto iter = children_.find(render_process_id);
+  if (iter == children_.end())
+    return false;
+
+  // Can't send a message to a child that isn't bound.
+  if (!iter->second.handle->child().is_bound())
+    return false;
+
+  // Send the new budget.
+  iter->second.handle->child()->SetRemainingGlobalBudget(
+      remaining_global_budget_mb);
+
+  return true;
+}
+
 mojom::MemoryState MemoryCoordinator::GetMemoryState(
     int render_process_id) const {
   auto iter = children_.find(render_process_id);
@@ -136,6 +154,10 @@ void MemoryCoordinator::SetCurrentMemoryStateForTesting(
     base::MemoryState memory_state) {
 }
 
+int64_t MemoryCoordinator::GetRemainingGlobalBudget() const {
+  return 0;
+}
+
 void MemoryCoordinator::AddChildForTesting(
     int dummy_render_process_id, mojom::ChildMemoryCoordinatorPtr child) {
   mojom::MemoryCoordinatorHandlePtr mch;