Bug 988882 - Rename PresShell::GetParentPresShell to GetParentPresShellForEventHandling. r=tn

layout/base/nsPresShell.cpp

@@ -6162,13 +6162,13 @@ PresShell::GetRootWindow()
 
   // If we don't have DOM window, we're zombie, we should find the root window
   // with our parent shell.
-  nsCOMPtr<nsIPresShell> parent = GetParentPresShell();
+  nsCOMPtr<nsIPresShell> parent = GetParentPresShellForEventHandling();
   NS_ENSURE_TRUE(parent, nullptr);
   return parent->GetRootWindow();
 }
 
 already_AddRefed<nsIPresShell>
-PresShell::GetParentPresShell()
+PresShell::GetParentPresShellForEventHandling()
 {
   NS_ENSURE_TRUE(mPresContext, nullptr);
 
@@ -6200,7 +6200,7 @@ PresShell::RetargetEventToParent(WidgetGUIEvent* aEvent,
   // That way at least the UI key bindings can work.
 
   nsCOMPtr<nsIPresShell> kungFuDeathGrip(this);
-  nsCOMPtr<nsIPresShell> parentPresShell = GetParentPresShell();
+  nsCOMPtr<nsIPresShell> parentPresShell = GetParentPresShellForEventHandling();
   NS_ENSURE_TRUE(parentPresShell, NS_ERROR_FAILURE);
 
   // Fake the event as though it's from the parent pres shell's root frame.

layout/base/nsPresShell.h

@@ -629,7 +629,7 @@ protected:
   nsIDocument* GetTouchEventTargetDocument();
 #endif
   bool InZombieDocument(nsIContent *aContent);
-  already_AddRefed<nsIPresShell> GetParentPresShell();
+  already_AddRefed<nsIPresShell> GetParentPresShellForEventHandling();
   nsIContent* GetCurrentEventContent();
   nsIFrame* GetCurrentEventFrame();
   nsresult RetargetEventToParent(mozilla::WidgetGUIEvent* aEvent,