diff --git a/patch/patch.cfg b/patch/patch.cfg
index 632f560dd..70bb6382e 100644
--- a/patch/patch.cfg
+++ b/patch/patch.cfg
@@ -31,6 +31,11 @@ patches = [
     'name': 'webcore_subresloader',
     'path': '../third_party/WebKit/Source/WebCore/loader/',
   },
+  {
+    # https://bugs.webkit.org/show_bug.cgi?id=73760
+    'name': 'webcore_cachedresource',
+    'path': '../third_party/WebKit/Source/WebCore/loader/cache/',
+  },
   {
     # http://code.google.com/p/chromiumembedded/issues/detail?id=364
     'name': 'spi_webcore_364',
diff --git a/patch/patches/webcore_cachedresource.patch b/patch/patches/webcore_cachedresource.patch
new file mode 100644
index 000000000..e0cb15c6f
--- /dev/null
+++ b/patch/patches/webcore_cachedresource.patch
@@ -0,0 +1,14 @@
+Index: CachedResource.cpp
+===================================================================
+--- CachedResource.cpp	(revision 100508)
++++ CachedResource.cpp	(working copy)
+@@ -365,6 +365,9 @@
+ 
+ void CachedResource::addClient(CachedResourceClient* client)
+ {
++    if (isPurgeable())
++        makePurgeable(false);
++  
+     addClientToSet(client);
+     didAddClient(client);
+ }