Run clang-modernize -use-nullptr over src/extensions/.

extensions/browser/extension_protocols.cc

Index: extensions/browser/extension_protocols.cc
diff --git a/extensions/browser/extension_protocols.cc b/extensions/browser/extension_protocols.cc
index 57dfe158a5d00e71a7e7effcf76c6d2125c54486..2ef8711648fc56948ed39f05053fff871bb8b578 100644
--- a/extensions/browser/extension_protocols.cc
+++ b/extensions/browser/extension_protocols.cc
@@ -221,7 +221,7 @@ class URLRequestExtensionJob : public net::URLRequestFileJob {
     std::string range_header;
     if (headers.GetHeader(net::HttpRequestHeaders::kRange, &range_header)) {
       if (verify_job_.get())
-        verify_job_ = NULL;
+        verify_job_ = nullptr;
     }
     URLRequestFileJob::SetExtraRequestHeaders(headers);
   }
@@ -232,7 +232,7 @@ class URLRequestExtensionJob : public net::URLRequestFileJob {
     // TODO(asargent) - we'll need to add proper support for range headers.
     // crbug.com/369895.
     if (result > 0 && verify_job_.get())
-      verify_job_ = NULL;
+      verify_job_ = nullptr;
   }
 
   virtual void OnReadComplete(net::IOBuffer* buffer, int result) OVERRIDE {
@@ -418,7 +418,7 @@ ExtensionProtocolHandler::MaybeCreateJob(
       directory_path = disabled_extension->path();
     if (directory_path.value().empty()) {
       LOG(WARNING) << "Failed to GetPathForExtension: " << extension_id;
-      return NULL;
+      return nullptr;
     }
   }
 
@@ -506,10 +506,10 @@ ExtensionProtocolHandler::MaybeCreateJob(
       extension_id = new_extension_id;
       relative_path = base::FilePath::FromUTF8Unsafe(new_relative_path);
     } else {
-      return NULL;
+      return nullptr;
     }
   }
-  ContentVerifyJob* verify_job = NULL;
+  ContentVerifyJob* verify_job = nullptr;
   ContentVerifier* verifier = extension_info_map_->content_verifier();
   if (verifier) {
     verify_job =