Bug 1070962 part 2 - Remove GetTopIonJSScript overloads. r=jandem

js/src/jit/IonFrames-inl.h

@@ -80,18 +80,6 @@ GetTopBaselineFrame(JSContext *cx)
     return iter.baselineFrame();
 }
 
-inline JSScript *
-GetTopIonJSScript(JSContext *cx, void **returnAddrOut = nullptr)
-{
-    return GetTopIonJSScript(cx->mainThread().jitTop, returnAddrOut, SequentialExecution);
-}
-
-inline JSScript *
-GetTopIonJSScript(ForkJoinContext *cx, void **returnAddrOut = nullptr)
-{
-    return GetTopIonJSScript(cx->perThreadData->jitTop, returnAddrOut, ParallelExecution);
-}
-
 } // namespace jit
 } // namespace js
 

js/src/jit/IonFrames.h

@@ -292,9 +292,9 @@ MakeFrameDescriptor(uint32_t frameSize, FrameType type)
 
 // Returns the JSScript associated with the topmost Ion frame.
 inline JSScript *
-GetTopIonJSScript(uint8_t *jitTop, void **returnAddrOut, ExecutionMode mode)
+GetTopIonJSScript(ThreadSafeContext *cx, void **returnAddrOut = nullptr)
 {
-    JitFrameIterator iter(jitTop, mode);
+    JitFrameIterator iter(cx);
     MOZ_ASSERT(iter.type() == JitFrame_Exit);
     ++iter;