Introduce v8-cache-strategies-for-cache-storage setting flags.

third_party/WebKit/public/web/WebSettings.h

Index: third_party/WebKit/public/web/WebSettings.h
diff --git a/third_party/WebKit/public/web/WebSettings.h b/third_party/WebKit/public/web/WebSettings.h
index 0ed0f2c03ae65bb26215e2b50bd981ab7d28ca9e..f215571a484abbe5daa99c9b5486bbdbe07727c9 100644
--- a/third_party/WebKit/public/web/WebSettings.h
+++ b/third_party/WebKit/public/web/WebSettings.h
@@ -66,6 +66,13 @@ public:
         V8CacheOptionsCode,
     };
 
+    enum class V8CacheStrategiesForCacheStorage {
+        Default,
+        None,
+        Normal,
+        Aggressive,
+    };
+
     // Selection strategy defines how the selection granularity changes when the
     // selection extent is moved.
     enum class SelectionStrategyType {
@@ -242,6 +249,7 @@ public:
     virtual void setUseWideViewport(bool) = 0;
     virtual void setUsesEncodingDetector(bool) = 0;
     virtual void setV8CacheOptions(V8CacheOptions) = 0;
+    virtual void setV8CacheStrategiesForCacheStorage(V8CacheStrategiesForCacheStorage) = 0;
     virtual void setValidationMessageTimerMagnification(int) = 0;
     virtual void setViewportEnabled(bool) = 0;
     virtual void setViewportMetaEnabled(bool) = 0;