Bug 1282150 part 5. Kill off all the unused GetJSContextForEventHandlers cruft. r=bholley

dom/base/nsGlobalWindow.cpp

@@ -3300,12 +3300,6 @@ nsGlobalWindow::WillHandleEvent(EventChainPostVisitor& aVisitor)
   return NS_OK;
 }
 
-JSContext*
-nsGlobalWindow::GetJSContextForEventHandlers()
-{
-  return nullptr;
-}
-
 nsresult
 nsGlobalWindow::PreHandleEvent(EventChainPreVisitor& aVisitor)
 {

dom/base/nsInProcessTabChildGlobal.h

@@ -117,7 +117,6 @@ public:
   }
   using mozilla::DOMEventTargetHelper::AddEventListener;
 
-  virtual JSContext* GetJSContextForEventHandlers() override { return nsContentUtils::GetSafeJSContext(); }
   virtual nsIPrincipal* GetPrincipal() override { return mPrincipal; }
   void LoadFrameScript(const nsAString& aURL, bool aRunInGlobalScope);
   void FireUnloadEvent();

dom/events/DOMEventTargetHelper.h

@@ -292,9 +292,6 @@ NS_DEFINE_STATIC_IID_ACCESSOR(DOMEventTargetHelper,
   } \
   virtual nsIScriptContext * GetContextForEventHandlers(nsresult *aRv) { \
     return _to GetContextForEventHandlers(aRv); \
-  } \
-  virtual JSContext * GetJSContextForEventHandlers(void) { \
-    return _to GetJSContextForEventHandlers(); \
   }
 
 #define NS_REALLY_FORWARD_NSIDOMEVENTTARGET(_class) \

dom/interfaces/events/nsIDOMEventTarget.idl

@@ -274,12 +274,6 @@ interface nsIDOMEventTarget : nsISupports
    */
   [notxpcom, nostdcall]
   nsIScriptContext GetContextForEventHandlers(out nsresult aRv);
-
-  /**
-   * If the method above returns null, but a success code, this method
-   * is called.
-   */
-  [notxpcom, nostdcall] JSContextPtr GetJSContextForEventHandlers();
 };
 
 %{C++
@@ -287,8 +281,7 @@ interface nsIDOMEventTarget : nsISupports
 #define NS_IMPL_DOMTARGET_DEFAULTS(_class) \
 mozilla::dom::EventTarget* _class::GetTargetForDOMEvent() { return this; } \
 mozilla::dom::EventTarget* _class::GetTargetForEventTargetChain() { return this; } \
-nsresult _class::WillHandleEvent(mozilla::EventChainPostVisitor& aVisitor) { return NS_OK; } \
-JSContext* _class::GetJSContextForEventHandlers() { return nullptr; }
+nsresult _class::WillHandleEvent(mozilla::EventChainPostVisitor& aVisitor) { return NS_OK; }
 
 #define NS_IMPL_REMOVE_SYSTEM_EVENT_LISTENER(aClass) \
 NS_IMETHODIMP \

dom/ipc/TabChild.cpp

@@ -3339,12 +3339,6 @@ TabChildGlobal::GetDocShell(nsIDocShell** aDocShell)
   return NS_OK;
 }
 
-JSContext*
-TabChildGlobal::GetJSContextForEventHandlers()
-{
-  return nsContentUtils::GetSafeJSContext();
-}
-
 nsIPrincipal*
 TabChildGlobal::GetPrincipal()
 {

dom/ipc/TabChild.h

@@ -138,7 +138,6 @@ public:
     return NS_OK;
   }
 
-  virtual JSContext* GetJSContextForEventHandlers() override;
   virtual nsIPrincipal* GetPrincipal() override;
   virtual JSObject* GetGlobalJSObject() override;