A bunch of remaining parts of extension content verification (Reland)

extensions/browser/content_verifier_delegate.h

Index: extensions/browser/content_verifier_delegate.h
diff --git a/extensions/browser/content_verifier_delegate.h b/extensions/browser/content_verifier_delegate.h
index c702a2808cf32debbc24c8756696b607247da02c..a6b909f43f40958718f872efcfaee2e0e13decbd 100644
--- a/extensions/browser/content_verifier_delegate.h
+++ b/extensions/browser/content_verifier_delegate.h
@@ -5,9 +5,12 @@
 #ifndef EXTENSIONS_BROWSER_CONTENT_VERIFIER_DELEGATE_H_
 #define EXTENSIONS_BROWSER_CONTENT_VERIFIER_DELEGATE_H_
 
+#include <set>
+
 #include "url/gurl.h"
 
 namespace base {
+class FilePath;
 class Version;
 }
 
@@ -46,6 +49,11 @@ class ContentVerifierDelegate {
   virtual GURL GetSignatureFetchUrl(const std::string& extension_id,
                                     const base::Version& version) = 0;
 
+  // This should return the set of file paths for images used within the
+  // browser process. (These may get transcoded during the install process).
+  virtual std::set<base::FilePath> GetBrowserImagePaths(
+      const extensions::Extension* extension) = 0;
+
   // Called when the content verifier detects that a read of a file inside
   // an extension did not match its expected hash.
   virtual void VerifyFailed(const std::string& extension_id) = 0;