Move logic to turn off caret blinking for LayoutTests to LayoutTheme.

third_party/WebKit/Source/core/layout/LayoutThemeDefault.cpp

Index: third_party/WebKit/Source/core/layout/LayoutThemeDefault.cpp
diff --git a/third_party/WebKit/Source/core/layout/LayoutThemeDefault.cpp b/third_party/WebKit/Source/core/layout/LayoutThemeDefault.cpp
index 6e6c4bf590662367949f7919d790a9387a7806f1..e880c74791c84f5c2a48fb54f8ea100cd68c10e0 100644
--- a/third_party/WebKit/Source/core/layout/LayoutThemeDefault.cpp
+++ b/third_party/WebKit/Source/core/layout/LayoutThemeDefault.cpp
@@ -249,15 +249,6 @@ Color LayoutThemeDefault::platformFocusRingColor() const {
   return focusRingColor;
 }
 
-double LayoutThemeDefault::caretBlinkInterval() const {
-  // Disable the blinking caret in layout test mode, as it introduces
-  // a race condition for the pixel tests. http://b/1198440
-  if (LayoutTestSupport::isRunningLayoutTest())
-    return 0;
-
-  return LayoutTheme::caretBlinkInterval();
-}
-
 void LayoutThemeDefault::systemFont(CSSValueID systemFontID,
                                     FontStyle& fontStyle,
                                     FontWeight& fontWeight,