[Experiment] purge-and-suspend

third_party/WebKit/Source/core/dom/MemoryCoordinator.cpp

Index: third_party/WebKit/Source/core/dom/MemoryCoordinator.cpp
diff --git a/third_party/WebKit/Source/core/dom/MemoryCoordinator.cpp b/third_party/WebKit/Source/core/dom/MemoryCoordinator.cpp
index 745d979f619014d132f3afd30088efb834717643..a2d5ebc0c98d78bd0cccbe0a452398e46643fbe4 100644
--- a/third_party/WebKit/Source/core/dom/MemoryCoordinator.cpp
+++ b/third_party/WebKit/Source/core/dom/MemoryCoordinator.cpp
@@ -30,14 +30,15 @@ MemoryCoordinator::~MemoryCoordinator()
 void MemoryCoordinator::onMemoryPressure(WebMemoryPressureLevel level)
 {
     TRACE_EVENT0("blink", "MemoryCoordinator::onMemoryPressure");
+
     if (level == WebMemoryPressureLevelCritical) {
         // Clear the image cache.
         ImageDecodingStore::instance().clear();
-        FontCache::fontCache()->invalidate();
-    }
-    if (ProcessHeap::isLowEndDevice())
         memoryCache()->pruneAll();
-    WTF::Partitions::decommitFreeableMemory();

[haraken, 2016/07/07 09:12:25]

Where is this called after your CL?

[tasak, 2016/07/07 09:30:59]

Placed in WebMemoryCoordinator::onMemoryPressure(WebMemoryPressureLevel
pressureLevel)  after calling all purge / prune methods.

+    } else {
+        if (ProcessHeap::isLowEndDevice())
+            memoryCache()->pruneAll();
+    }
 }
 
 } // namespace blink