Lazy background page branding: "Transient Background Page". Rename

chrome/common/extensions/extension.h

Index: chrome/common/extensions/extension.h
diff --git a/chrome/common/extensions/extension.h b/chrome/common/extensions/extension.h
index cf6a3fde07af6bbc62643ad51241a71f429070fe..b0073b79ffb55fd631d040d34017202e3774a06b 100644
--- a/chrome/common/extensions/extension.h
+++ b/chrome/common/extensions/extension.h
@@ -572,12 +572,14 @@ class Extension : public base::RefCountedThreadSafe<Extension> {
   const std::vector<std::string>& background_scripts() const {
     return background_scripts_;
   }
-  bool background_page_persists() const { return background_page_persists_; }
+  bool background_page_is_transient() const {
+    return background_page_is_transient_;
+  }
   bool has_persistent_background_page() const {
-    return has_background_page() && background_page_persists();
+    return has_background_page() && !background_page_is_transient();
   }
   bool has_lazy_background_page() const {
-    return has_background_page() && !background_page_persists();
+    return has_background_page() && background_page_is_transient();
   }
   const GURL& options_url() const { return options_url_; }
   const GURL& devtools_url() const { return devtools_url_; }
@@ -927,9 +929,9 @@ class Extension : public base::RefCountedThreadSafe<Extension> {
   // present, background_url_ will be empty and generated by GetBackgroundURL().
   std::vector<std::string> background_scripts_;
 
-  // True if the background page should stay loaded forever; false if it should
-  // load on-demand (when it needs to handle an event). Defaults to true.
-  bool background_page_persists_;
+  // False if the background page should stay loaded forever; true if it should
+  // load on-demand (when it needs to handle an event). Defaults to false.
+  bool background_page_is_transient_;
 
   // True if the background page can be scripted by pages of the app or
   // extension, in which case all such pages must run in the same process.