Make RenderThreadImpl a client of memory coordinator

third_party/WebKit/public/platform/WebMemoryState.h

Index: third_party/WebKit/public/platform/WebMemoryState.h
diff --git a/third_party/WebKit/public/platform/URLConversion.h b/third_party/WebKit/public/platform/WebMemoryState.h
similarity index 52%
copy from third_party/WebKit/public/platform/URLConversion.h
copy to third_party/WebKit/public/platform/WebMemoryState.h
index dbfa3fcda4911702e701bb5e0ea4e305f0897742..f547fea1938545ae95f4bf0f31a128811a8ec1f8 100644
--- a/third_party/WebKit/public/platform/URLConversion.h
+++ b/third_party/WebKit/public/platform/WebMemoryState.h
@@ -2,18 +2,18 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-#ifndef URLConversion_h
-#define URLConversion_h
-
-#include "WebCommon.h"
-
-class GURL;
+#ifndef WebMemoryState_h
+#define WebMemoryState_h
 
 namespace blink {
 
-class WebString;
-
-BLINK_COMMON_EXPORT GURL WebStringToGURL(const WebString&);
+// These numbers must correspond to base::MemoryState.
+enum class MemoryState {
+  UNKNOWN = -1,
+  NORMAL = 0,
+  THROTTLED = 1,
+  SUSPENDED = 2,
+};
 
 }  // namespace blink