Remove MemoryCondition::WARNING

content/browser/memory/memory_coordinator_impl.h

Index: content/browser/memory/memory_coordinator_impl.h
diff --git a/content/browser/memory/memory_coordinator_impl.h b/content/browser/memory/memory_coordinator_impl.h
index 54c04bbf98a2f62fd5d1ae3b92b5e3200bacbad8..0b25907838950db492539bc7f215dc311a0a60de 100644
--- a/content/browser/memory/memory_coordinator_impl.h
+++ b/content/browser/memory/memory_coordinator_impl.h
@@ -38,8 +38,7 @@ using MemoryState = base::MemoryState;
 // to purge memory, and scheduling tab discarding.
 enum class MemoryCondition : int {
   NORMAL = 0,
-  WARNING = 1,
-  CRITICAL = 2,
+  CRITICAL = 1,
 };
 
 // MemoryCoordinatorImpl is an implementation of MemoryCoordinator.
@@ -55,8 +54,6 @@ class CONTENT_EXPORT MemoryCoordinatorImpl : public base::MemoryCoordinator,
    public:
     virtual ~Policy() {}
 
-    // Called periodically while the memory condition is WARNING.
-    virtual void OnWarningCondition() {}
     // Called periodically while the memory condition is CRITICAL.
     virtual void OnCriticalCondition() {}
     // Called when the current MemoryCondition has changed.