Use the v8::Isolate we know about rather than v8::Isolate::GetCurrent() in a
few places in the extensions code.

BUG=359442
[email protected]

Review URL: https://codereview.chromium.org/703173003

Cr-Commit-Position: refs/heads/master@{#303127}
diff --git a/extensions/renderer/console.h b/extensions/renderer/console.h
index 847c54b..c48cf7990 100644
--- a/extensions/renderer/console.h
+++ b/extensions/renderer/console.h
@@ -49,7 +49,7 @@
 // bound to respective debug/log/warn/error methods. This is a direct drop-in
 // replacement for the standard devtools console.* methods usually accessible
 // from JS.
-v8::Local<v8::Object> AsV8Object();
+v8::Local<v8::Object> AsV8Object(v8::Isolate* isolate);
 
 }  // namespace console