Re-land r93365 - add RefCountedString

chrome/browser/ui/webui/theme_source.h

Index: chrome/browser/ui/webui/theme_source.h
diff --git a/chrome/browser/ui/webui/theme_source.h b/chrome/browser/ui/webui/theme_source.h
index c3d8207600d82603c6047b9800a0c682af675d77..ad496729b917d0d28beb247230c2030b0164d6b3 100644
--- a/chrome/browser/ui/webui/theme_source.h
+++ b/chrome/browser/ui/webui/theme_source.h
@@ -11,7 +11,7 @@
 #include "chrome/browser/ui/webui/chrome_url_data_manager.h"
 
 class Profile;
-class RefCountedBytes;
+class RefCountedMemory;
 
 class ThemeSource : public ChromeURLDataManager::DataSource {
  public:
@@ -40,7 +40,7 @@ class ThemeSource : public ChromeURLDataManager::DataSource {
   Profile* profile_;
 
   // We grab the CSS early so we don't have to go back to the UI thread later.
-  scoped_refptr<RefCountedBytes> css_bytes_;
+  scoped_refptr<RefCountedMemory> css_bytes_;
 
   DISALLOW_COPY_AND_ASSIGN(ThemeSource);
 };