Revert of Chromium plumbing to use the selection root bounds.

content/renderer/render_widget.cc

Index: content/renderer/render_widget.cc
diff --git a/content/renderer/render_widget.cc b/content/renderer/render_widget.cc
index 646b94bb67de4b5c4bded1a337374550fa31f8e1..d17cf0804803d5c7cd3b507705f366db3ed8c993 100644
--- a/content/renderer/render_widget.cc
+++ b/content/renderer/render_widget.cc
@@ -1203,7 +1203,6 @@ void RenderWidget::willBeginCompositorFrame() {
   UpdateTextInputType();
 #if defined(OS_ANDROID)
   UpdateTextInputState(NO_SHOW_IME, FROM_NON_IME);
-  UpdateSelectionRootBounds();
 #endif
   UpdateSelectionBounds();
 }
@@ -1642,9 +1641,6 @@ void RenderWidget::FinishHandlingImeEvent() {
   // While handling an ime event, text input state and selection bounds updates
   // are ignored. These must explicitly be updated once finished handling the
   // ime event.
-#if defined(OS_ANDROID)
-  UpdateSelectionRootBounds();
-#endif
   UpdateSelectionBounds();
 #if defined(OS_ANDROID)
   UpdateTextInputState(NO_SHOW_IME, FROM_IME);
@@ -2043,11 +2039,6 @@ void RenderWidget::didUpdateTextOfFocusedElementByNonUserInput() {
 #endif
 }
 
-#if defined(OS_ANDROID)
-void RenderWidget::UpdateSelectionRootBounds() {
-}
-#endif
-
 bool RenderWidget::HasTouchEventHandlersAt(const gfx::Point& point) const {
   return true;
 }