Fix extension content verification handling of ./ in icon paths

extensions/browser/content_verify_job.h

Index: extensions/browser/content_verify_job.h
diff --git a/extensions/browser/content_verify_job.h b/extensions/browser/content_verify_job.h
index 6ffa3a04aa5b111d057791fdccb0af62cba07f5f..69928869abdbc2d6b9a2bb34e169b83470fa2e3e 100644
--- a/extensions/browser/content_verify_job.h
+++ b/extensions/browser/content_verify_job.h
@@ -76,7 +76,18 @@ class ContentVerifyJob : public base::RefCountedThreadSafe<ContentVerifyJob> {
     virtual FailureReason DoneReading(const std::string& extension_id) = 0;
   };
 
+  class TestObserver {
+   public:
+    virtual void JobStarted(const std::string& extension_id,
+                            const base::FilePath& relative_path) = 0;
+
+    virtual void JobFinished(const std::string& extension_id,
+                             const base::FilePath& relative_path,
+                             bool failed) = 0;
+  };
+
   static void SetDelegateForTests(TestDelegate* delegate);
+  static void SetObserverForTests(TestObserver* observer);
 
  private:
   DISALLOW_COPY_AND_ASSIGN(ContentVerifyJob);