Refactor Pickle Read methods to use higher performance PickleIterator.

chrome/common/extensions/user_script.cc

Index: chrome/common/extensions/user_script.cc
diff --git a/chrome/common/extensions/user_script.cc b/chrome/common/extensions/user_script.cc
index d60b421c40602b82194a7062529a4fa32edc64a7..8cc09b17012fd4d1107102ee98171ec2a8643db9 100644
--- a/chrome/common/extensions/user_script.cc
+++ b/chrome/common/extensions/user_script.cc
@@ -89,7 +89,7 @@ void UserScript::File::Pickle(::Pickle* pickle) const {
   // Do not write content. It will be serialized by other means.
 }
 
-void UserScript::File::Unpickle(const ::Pickle& pickle, void** iter) {
+void UserScript::File::Unpickle(const ::Pickle& pickle, PickleReader* iter) {
   // Read the url from the pickle.
   std::string url;
   CHECK(pickle.ReadString(iter, &url));
@@ -140,7 +140,7 @@ void UserScript::PickleScripts(::Pickle* pickle,
   }
 }
 
-void UserScript::Unpickle(const ::Pickle& pickle, void** iter) {
+void UserScript::Unpickle(const ::Pickle& pickle, PickleReader* iter) {
   // Read the run location.
   int run_location = 0;
   CHECK(pickle.ReadInt(iter, &run_location));
@@ -160,7 +160,7 @@ void UserScript::Unpickle(const ::Pickle& pickle, void** iter) {
   UnpickleScripts(pickle, iter, &css_scripts_);
 }
 
-void UserScript::UnpickleGlobs(const ::Pickle& pickle, void** iter,
+void UserScript::UnpickleGlobs(const ::Pickle& pickle, PickleReader* iter,
                                std::vector<std::string>* globs) {
   size_t num_globs = 0;
   CHECK(pickle.ReadSize(iter, &num_globs));
@@ -172,7 +172,8 @@ void UserScript::UnpickleGlobs(const ::Pickle& pickle, void** iter,
   }
 }
 
-void UserScript::UnpickleURLPatternSet(const ::Pickle& pickle, void** iter,
+void UserScript::UnpickleURLPatternSet(const ::Pickle& pickle,
+                                       PickleReader* iter,
                                        URLPatternSet* pattern_list) {
   size_t num_patterns = 0;
   CHECK(pickle.ReadSize(iter, &num_patterns));
@@ -199,7 +200,7 @@ void UserScript::UnpickleURLPatternSet(const ::Pickle& pickle, void** iter,
   }
 }
 
-void UserScript::UnpickleScripts(const ::Pickle& pickle, void** iter,
+void UserScript::UnpickleScripts(const ::Pickle& pickle, PickleReader* iter,
                                  FileList* scripts) {
   size_t num_files = 0;
   CHECK(pickle.ReadSize(iter, &num_files));