Revert of Make FrameSelection to hold non-canonicalized positions

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

Index: third_party/WebKit/Source/core/editing/VisibleSelection.cpp
diff --git a/third_party/WebKit/Source/core/editing/VisibleSelection.cpp b/third_party/WebKit/Source/core/editing/VisibleSelection.cpp
index 8d89792653f41418faea5f8a3e9a1dd4f115a4f3..93a33918ea786837abb6554909c17aab4b78dc89 100644
--- a/third_party/WebKit/Source/core/editing/VisibleSelection.cpp
+++ b/third_party/WebKit/Source/core/editing/VisibleSelection.cpp
@@ -482,8 +482,7 @@ void VisibleSelectionTemplate<Strategy>::validate(TextGranularity granularity) {
   // TODO(xiaochengh): Add a DocumentLifecycle::DisallowTransitionScope here.
 
   m_granularity = granularity;
-  if (m_granularity != WordGranularity)
-    m_hasTrailingWhitespace = false;
+  m_hasTrailingWhitespace = false;
   setBaseAndExtentToDeepEquivalents();
   if (m_base.isNull() || m_extent.isNull()) {
     m_base = m_extent = m_start = m_end = PositionTemplate<Strategy>();
@@ -519,9 +518,6 @@ void VisibleSelectionTemplate<Strategy>::validate(TextGranularity granularity) {
     m_start = mostForwardCaretPosition(m_start);
     m_end = mostBackwardCaretPosition(m_end);
   }
-  if (!m_hasTrailingWhitespace)
-    return;
-  appendTrailingWhitespace();
 }
 
 template <typename Strategy>