Paste popup is positioning properly during content scroll.

content/public/android/java/src/org/chromium/content/browser/ContentViewCore.java

Index: content/public/android/java/src/org/chromium/content/browser/ContentViewCore.java
diff --git a/content/public/android/java/src/org/chromium/content/browser/ContentViewCore.java b/content/public/android/java/src/org/chromium/content/browser/ContentViewCore.java
index 831f9e1691a06034b7758c7a004287350c6849f8..f894811bdaee9bd4692c12b0f583c12224deac77 100644
--- a/content/public/android/java/src/org/chromium/content/browser/ContentViewCore.java
+++ b/content/public/android/java/src/org/chromium/content/browser/ContentViewCore.java
@@ -2151,8 +2151,12 @@ public class ContentViewCore
                 break;
 
             case SelectionEventType.INSERTION_MOVED:
-                // TODO(jdduke): Handle case where movement triggered by focus.
-                hidePastePopup();
+                if (getPastePopup().isShowing() && !isScrollInProgress()) {

[jdduke (slow), 2014/07/22 17:39:33]

What about the case where the insertion handle is dragged? We definitely want to
hide it in that case. I suppose we could have an event |INSERTION_DRAG_BEGUN|
that would trigger hiding?

[AKVT, 2014/07/23 16:27:46]

Done.

+                    hidePastePopup();
+                    showPastePopup((int) posXDip, (int) posYDip);
+                } else {
+                    hidePastePopup();
+                }
                 break;
 
             case SelectionEventType.INSERTION_TAPPED: