remove Isolate::Current from most files starting with 'f' through 'i'

src/isolate.h

Index: src/isolate.h
diff --git a/src/isolate.h b/src/isolate.h
index 8eace1268481c1011607548a610c37f1a31625f6..65ed83817926d8a11a10cd9afe90e49cc3771779 100644
--- a/src/isolate.h
+++ b/src/isolate.h
@@ -1386,14 +1386,11 @@ class SaveContext BASE_EMBEDDED {
 
   ~SaveContext() {
     if (context_.is_null()) {

[Sven Panne, 2013/09/03 10:42:08]

Slightly clearer:

   isolate_->set_context(context_.is_null() ? NULL : *context);

[dcarney, 2013/09/03 11:12:21]

Done.

-      Isolate* isolate = Isolate::Current();
-      isolate->set_context(NULL);
-      isolate->set_save_context(prev_);
+      isolate_->set_context(NULL);
     } else {
-      Isolate* isolate = context_->GetIsolate();
-      isolate->set_context(*context_);
-      isolate->set_save_context(prev_);
+      isolate_->set_context(*context_);
     }
+    isolate_->set_save_context(prev_);
   }
 
   Handle<Context> context() { return context_; }
@@ -1405,6 +1402,7 @@ class SaveContext BASE_EMBEDDED {
   }
 
  private:
+  Isolate* isolate_;
   Handle<Context> context_;
   SaveContext* prev_;
   Address c_entry_fp_;