[WIP] Change DocumentMarkerController::add*Marker() methods to take an EphemeralRange

third_party/WebKit/Source/core/editing/InputMethodController.cpp

Index: third_party/WebKit/Source/core/editing/InputMethodController.cpp
diff --git a/third_party/WebKit/Source/core/editing/InputMethodController.cpp b/third_party/WebKit/Source/core/editing/InputMethodController.cpp
index 5b46a96cc3e4b46234b9885ed4e2c95a28259f69..25da582651273e7d468b5a740df367e8e6e3667a 100644
--- a/third_party/WebKit/Source/core/editing/InputMethodController.cpp
+++ b/third_party/WebKit/Source/core/editing/InputMethodController.cpp
@@ -444,8 +444,8 @@ void InputMethodController::addCompositionUnderlines(
       continue;
 
     document().markers().addCompositionMarker(
-        ephemeralLineRange.startPosition(), ephemeralLineRange.endPosition(),
-        underline.color(), underline.thick(), underline.backgroundColor());
+        ephemeralLineRange, underline.color(), underline.thick(),
+        underline.backgroundColor());
   }
 }
 
@@ -691,8 +691,7 @@ void InputMethodController::setComposition(
 
   if (underlines.isEmpty()) {
     document().markers().addCompositionMarker(
-        m_compositionRange->startPosition(), m_compositionRange->endPosition(),
-        Color::black, false,
+        EphemeralRange(m_compositionRange), Color::black, false,
         LayoutTheme::theme().platformDefaultCompositionBackgroundColor());
     return;
   }