Add MemoryCoordinator

third_party/WebKit/public/web/WebMemoryCoordinator.h

Index: third_party/WebKit/public/web/WebMemoryCoordinator.h
diff --git a/third_party/WebKit/public/web/WebMemoryCoordinator.h b/third_party/WebKit/public/web/WebMemoryCoordinator.h
index 306b961c12f4523ff7079eacaa6deee5320a9b03..68457a453c82ba1cf294ce152da5f4560f20ff51 100644
--- a/third_party/WebKit/public/web/WebMemoryCoordinator.h
+++ b/third_party/WebKit/public/web/WebMemoryCoordinator.h
@@ -10,10 +10,18 @@
 
 namespace blink {
 
+enum class WebMemoryAllocationMode {
+    Normal,
+    Throttled,
+};
+
 class WebMemoryCoordinator {
 public:
     // Called when a memory pressure notification is received.
     BLINK_EXPORT static void onMemoryPressure(WebMemoryPressureLevel);
+
+    // Called when the system wants to throttle/unthrottle memory allocation.
+    BLINK_EXPORT static void setAllocationMode(WebMemoryAllocationMode);

[haraken, 2016/06/27 02:17:07]

Would it make more sense to introduce onMemoryStateChanged() API instead of
setAllocationMode? I want the Blink API to be more consistent with the
Chromium-side memory-coordinator API.

 };
 
 } // namespace blink