WIP: Introduce CompressibleString

third_party/WebKit/Source/core/fetch/ScriptResource.h

Index: third_party/WebKit/Source/core/fetch/ScriptResource.h
diff --git a/third_party/WebKit/Source/core/fetch/ScriptResource.h b/third_party/WebKit/Source/core/fetch/ScriptResource.h
index 86dfc6bc4b6bc64f012f151a74cace459a527fd2..f421e1aaee3185c9cdbef8134b40a099949aeb5d 100644
--- a/third_party/WebKit/Source/core/fetch/ScriptResource.h
+++ b/third_party/WebKit/Source/core/fetch/ScriptResource.h
@@ -29,6 +29,7 @@
 #include "core/CoreExport.h"
 #include "core/fetch/ResourceClient.h"
 #include "core/fetch/TextResource.h"
+#include "wtf/text/CompressableString.h"
 
 namespace blink {
 
@@ -57,7 +58,7 @@ public:
     void didAddClient(ResourceClient*) override;
     void appendData(const char*, unsigned) override;
 
-    const String& script();
+    RefPtrWillBeRawPtr<CompressableString> script();

[esprehn, 2015/10/24 03:59:25]

not a ref ptr

 
     AtomicString mimeType() const;
 
@@ -84,7 +85,7 @@ private:
     bool m_integrityChecked;
     String m_integrityMetadata;
 
-    AtomicString m_script;
+    RefPtrWillBeMember<CompressableString> m_script;

[esprehn, 2015/10/24 03:59:25]

By making these not atomic strings you lose the de-duping behavior which is bad,
you need to add an atomization layer around your compressed string system,
otherwise this doesn't generalize to style where we need hash tables of
CompressableStrings.

 };
 
 DEFINE_RESOURCE_TYPE_CASTS(Script);