Add flag to force complex text for tests

third_party/WebKit/Source/platform/LayoutTestSupport.cpp

Index: third_party/WebKit/Source/platform/LayoutTestSupport.cpp
diff --git a/third_party/WebKit/Source/platform/LayoutTestSupport.cpp b/third_party/WebKit/Source/platform/LayoutTestSupport.cpp
index 928de046ac4730c3f838a865bb2dfb2a0ae8f1f8..70eb860a0efe91cec3ae518d8dd4ecd07f04e711 100644
--- a/third_party/WebKit/Source/platform/LayoutTestSupport.cpp
+++ b/third_party/WebKit/Source/platform/LayoutTestSupport.cpp
@@ -35,6 +35,7 @@ namespace blink {
 
 static bool s_isRunningLayoutTest = false;
 static bool s_isFontAntialiasingEnabled = false;
+static bool s_alwaysUseComplexTextForTest = false;
 
 bool LayoutTestSupport::isRunningLayoutTest()
 {
@@ -56,4 +57,14 @@ void LayoutTestSupport::setFontAntialiasingEnabledForTest(bool value)
     s_isFontAntialiasingEnabled = value;
 }
 
+bool LayoutTestSupport::alwaysUseComplexTextForTest()
+{
+    return s_alwaysUseComplexTextForTest;
+}
+
+void LayoutTestSupport::setAlwaysUseComplexTextForTest(bool value)
+{
+    s_alwaysUseComplexTextForTest = value;
+}
+
 } // namespace blink