[WIP] Add support for Android SuggestionSpans when editing text

third_party/WebKit/Source/core/frame/FrameView.cpp

Index: third_party/WebKit/Source/core/frame/FrameView.cpp
diff --git a/third_party/WebKit/Source/core/frame/FrameView.cpp b/third_party/WebKit/Source/core/frame/FrameView.cpp
index 1267adb057141c2533062ab02a2a0faa9dd91a9c..dc4184dbbeeca6ef7b2ee398bf7ac3e011d538d4 100644
--- a/third_party/WebKit/Source/core/frame/FrameView.cpp
+++ b/third_party/WebKit/Source/core/frame/FrameView.cpp
@@ -1973,7 +1973,7 @@ bool FrameView::computeCompositedSelection(LocalFrame& frame,
     return false;
 
   const VisibleSelection& visibleSelection = frame.selection().selection();
-  if (visibleSelection.isNone() || !frame.selection().isHandleVisible())
+  if (visibleSelection.isNone())

[rlanday, 2017/01/31 19:50:22]

I'm going to undo the changes to this file, I was testing if we wanted to hide
the blue selection handle when the suggestion menu opens, but it didn't really
look any better when I did that because the selection still jumps around

     return false;
 
   // Non-editable caret selections lack any kind of UI affordance, and
@@ -2041,8 +2041,9 @@ void FrameView::updateCompositedSelectionIfNeeded() {
       localFrame = m_frame->localFrameRoot();
     }
 
-    if (localFrame)
+    if (localFrame) {
       page->chromeClient().clearCompositedSelection(localFrame);
+    }
   }
 }