Consistently use ExceptionState::throwTypeError().

Source/core/dom/MutationObserver.cpp

Index: Source/core/dom/MutationObserver.cpp
diff --git a/Source/core/dom/MutationObserver.cpp b/Source/core/dom/MutationObserver.cpp
index 21bdd693b54f76cd875ed58e981969bdc9814b58..ba2d25a36b938692157e5cf01a8f9a5e25d45ae5 100644
--- a/Source/core/dom/MutationObserver.cpp
+++ b/Source/core/dom/MutationObserver.cpp
@@ -119,21 +119,21 @@ void MutationObserver::observe(Node* node, const Dictionary& optionsDictionary,
 
     if (!(options & Attributes)) {
         if (options & AttributeOldValue) {
-            exceptionState.throwDOMException(TypeError, "The options object may only set 'attributeOldValue' to true when 'attributes' is true or not present.");
+            exceptionState.throwTypeError("The options object may only set 'attributeOldValue' to true when 'attributes' is true or not present.");
             return;
         }
         if (options & AttributeFilter) {
-            exceptionState.throwDOMException(TypeError, "The options object may only set 'attributeFilter' when 'attributes' is true or not present.");
+            exceptionState.throwTypeError("The options object may only set 'attributeFilter' when 'attributes' is true or not present.");
             return;
         }
     }
     if (!((options & CharacterData) || !(options & CharacterDataOldValue))) {
-        exceptionState.throwDOMException(TypeError, "The options object may only set 'characterDataOldValue' to true when 'characterData' is true or not present.");
+        exceptionState.throwTypeError("The options object may only set 'characterDataOldValue' to true when 'characterData' is true or not present.");
         return;
     }
 
     if (!(options & (Attributes | CharacterData | ChildList))) {
-        exceptionState.throwDOMException(TypeError, "The options object must set at least one of 'attributes', 'characterData', or 'childList' to true.");
+        exceptionState.throwTypeError("The options object must set at least one of 'attributes', 'characterData', or 'childList' to true.");
         return;
     }