Send memory management policies to the tile manager

cc/gl_renderer.cc

Index: cc/gl_renderer.cc
diff --git a/cc/gl_renderer.cc b/cc/gl_renderer.cc
index e9f8254a16b5629a6033aeb278a040d58821218d..6bb03f6a6bcc1c9a3615f854f389e72d272ba609 100644
--- a/cc/gl_renderer.cc
+++ b/cc/gl_renderer.cc
@@ -1345,20 +1345,20 @@ void GLRenderer::onMemoryAllocationChanged(WebGraphicsMemoryAllocation allocatio
         m_discardBackbufferWhenNotVisible = oldDiscardBackbufferWhenNotVisible;
 }
 
-int GLRenderer::priorityCutoffValue(WebKit::WebGraphicsMemoryAllocation::PriorityCutoff priorityCutoff)
+ManagedMemoryPolicy::PriorityCutoff GLRenderer::priorityCutoffValue(WebKit::WebGraphicsMemoryAllocation::PriorityCutoff priorityCutoff)
 {
     switch (priorityCutoff) {
     case WebKit::WebGraphicsMemoryAllocation::PriorityCutoffAllowNothing:
-        return PriorityCalculator::allowNothingCutoff();
+        return ManagedMemoryPolicy::CUTOFF_ALLOW_NOTHING;
     case WebKit::WebGraphicsMemoryAllocation::PriorityCutoffAllowVisibleOnly:
-        return PriorityCalculator::allowVisibleOnlyCutoff();
+        return ManagedMemoryPolicy::CUTOFF_ALLOW_REQUIRED_ONLY;
     case WebKit::WebGraphicsMemoryAllocation::PriorityCutoffAllowVisibleAndNearby:
-        return PriorityCalculator::allowVisibleAndNearbyCutoff();
+        return ManagedMemoryPolicy::CUTOFF_ALLOW_NICE_TO_HAVE;
     case WebKit::WebGraphicsMemoryAllocation::PriorityCutoffAllowEverything:
-        return PriorityCalculator::allowEverythingCutoff();
+        return ManagedMemoryPolicy::CUTOFF_ALLOW_EVERYTHING;
     }
     NOTREACHED();
-    return 0;
+    return ManagedMemoryPolicy::CUTOFF_ALLOW_NOTHING;
 }
 
 void GLRenderer::enforceMemoryPolicy()