Fix tests to avoid page scale reset when setting page scale.

Tools/DumpRenderTree/chromium/TestRunner/src/EventSender.cpp

Index: Tools/DumpRenderTree/chromium/TestRunner/src/EventSender.cpp
diff --git a/Tools/DumpRenderTree/chromium/TestRunner/src/EventSender.cpp b/Tools/DumpRenderTree/chromium/TestRunner/src/EventSender.cpp
index ff1897e68bede54111d86895c917c48bf0d2bf80..4387c995c891b3a03f113494d20d7bd8e66d35f3 100644
--- a/Tools/DumpRenderTree/chromium/TestRunner/src/EventSender.cpp
+++ b/Tools/DumpRenderTree/chromium/TestRunner/src/EventSender.cpp
@@ -301,7 +301,8 @@ EventSender::EventSender()
     bindMethod("gestureTwoFingerTap", &EventSender::gestureTwoFingerTap);
     bindMethod("zoomPageIn", &EventSender::zoomPageIn);
     bindMethod("zoomPageOut", &EventSender::zoomPageOut);
-    bindMethod("scalePageBy", &EventSender::scalePageBy);
+    bindMethod("setInitialPageScaleOverride", &EventSender::setInitialPageScaleOverride);
+    bindMethod("setPageScaleFactor", &EventSender::setPageScaleFactor);
 
     bindProperty("forceLayoutOnEvents", &forceLayoutOnEvents);
 
@@ -777,7 +778,17 @@ void EventSender::zoomPageOut(const CppArgumentList&, CppVariant* result)
     result->setNull();
 }
 
-void EventSender::scalePageBy(const CppArgumentList& arguments, CppVariant* result)
+void EventSender::setInitialPageScaleOverride(const CppArgumentList& arguments, CppVariant* result)
+{
+    if (arguments.size() != 1 || !arguments[0].isNumber())
+        return;
+
+    float pageScaleOverride = static_cast<float>(arguments[0].toDouble());
+    webview()->setInitialPageScaleOverride(pageScaleOverride);
+    result->setNull();
+}
+
+void EventSender::setPageScaleFactor(const CppArgumentList& arguments, CppVariant* result)
 {
     if (arguments.size() < 3 || !arguments[0].isNumber() || !arguments[1].isNumber() || !arguments[2].isNumber())
         return;