Bug 1296993 (part 6) - Streamline nsIWidget::SetPluginFocused. r=mstange.

This patch removes the return value, because none of the call sites check it.

widget/PuppetWidget.cpp

@@ -667,13 +667,12 @@ PuppetWidget::StartPluginIME(const mozilla::WidgetKeyboardEvent& aKeyboardEvent,
   return NS_OK;
 }
 
-NS_IMETHODIMP
+void
 PuppetWidget::SetPluginFocused(bool& aFocused)
 {
-  if (!mTabChild || !mTabChild->SendSetPluginFocused(aFocused)) {
-    return NS_ERROR_FAILURE;
+  if (mTabChild) {
+    mTabChild->SendSetPluginFocused(aFocused);
   }
-  return NS_OK;
 }
 
 void