[WeakMemoryCache] Remove LRU lists, prune order control and live/dead distinction

third_party/WebKit/Source/core/fetch/Resource.cpp

Index: third_party/WebKit/Source/core/fetch/Resource.cpp
diff --git a/third_party/WebKit/Source/core/fetch/Resource.cpp b/third_party/WebKit/Source/core/fetch/Resource.cpp
index 837e76b58a7f633445e2e9225d497e5cb1e074dc..088366ae2db783b0966fb19d084ce2b13697f964 100644
--- a/third_party/WebKit/Source/core/fetch/Resource.cpp
+++ b/third_party/WebKit/Source/core/fetch/Resource.cpp
@@ -703,7 +703,6 @@ void Resource::willAddClientOrObserver(PreloadReferencePolicy policy) {
   }
   if (!hasClientsOrObservers()) {
     m_isAlive = true;
-    memoryCache()->makeLive(this);
   }
 }
 
@@ -754,7 +753,6 @@ void Resource::removeClient(ResourceClient* client) {
 void Resource::didRemoveClientOrObserver() {
   if (!hasClientsOrObservers() && m_isAlive) {
     m_isAlive = false;
-    memoryCache()->makeDead(this);
     allClientsAndObserversRemoved();
 
     // RFC2616 14.9.2:
@@ -788,7 +786,6 @@ void Resource::setDecodedSize(size_t decodedSize) {
   size_t oldSize = size();
   m_decodedSize = decodedSize;
   memoryCache()->update(this, oldSize, size());
-  memoryCache()->updateDecodedResource(this, UpdateForPropertyChange);
 }
 
 void Resource::setEncodedSize(size_t encodedSize) {
@@ -804,10 +801,6 @@ void Resource::setEncodedSizeMemoryUsage(size_t encodedSize) {
   m_encodedSizeMemoryUsage = encodedSize;
 }
 
-void Resource::didAccessDecodedData() {
-  memoryCache()->updateDecodedResource(this, UpdateForAccess);
-}
-
 void Resource::finishPendingClients() {
   // We're going to notify clients one by one. It is simple if the client does
   // nothing. However there are a couple other things that can happen.