DevTools: Only provide static script content to UISourceCode

third_party/WebKit/LayoutTests/inspector/uisourcecode-revisions.html

Index: third_party/WebKit/LayoutTests/inspector/uisourcecode-revisions.html
diff --git a/third_party/WebKit/LayoutTests/inspector/uisourcecode-revisions.html b/third_party/WebKit/LayoutTests/inspector/uisourcecode-revisions.html
index 2aee4b3606c59641ec5e47ff8912405812415217..08dd0eb3e29f8744af6c23832c6a31ebf58d04b9 100644
--- a/third_party/WebKit/LayoutTests/inspector/uisourcecode-revisions.html
+++ b/third_party/WebKit/LayoutTests/inspector/uisourcecode-revisions.html
@@ -14,12 +14,16 @@ function test()
         {
             callback("<script content>");
         }
+        project.requestOriginalFileContent = function(uri)
+        {
+            return Promise.resolve("<script content>");
+        }
         project.setFileContent = function(uri, newContent, callback)
         {
         }
         return project;
     }
- 
+
     function dumpUISourceCodeWithRevisions(uiSourceCode)
     {
         var content = uiSourceCode._content;