Experiment with emulating mouse hover with touch hover capable devices

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 ba0c70ebeaa44f086df6ca89bf046cf7f4b47a4d..395f5fa1b3d62deb31ba9ad9a7c2794715697641 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
@@ -646,6 +646,18 @@ public class ContentViewCore
                 // been destroyed in the RenderWidgetHostView.
             }
         };
+
+        // Add a hover feature Listener to dispatch a mouseover event when the hover switch is on.
+        mContainerView.setOnHoverListener(new View.OnHoverListener() {
+            @Override
+            public boolean onHover(View view, MotionEvent motionEvent) {

[jdduke (slow), 2014/10/29 21:43:18]

It's not clear to me why we need this? Won't we already get the events through
|onHoverEvent()|?

+                if (!CommandLine.getInstance().hasSwitch(
+                        ContentSwitches.ENABLE_SUPPORT_HOVER_CAPABLE_TOUCHSCREENS))
+                    return true;
+
+                return false;
+            }
+        });
     }
 
     /**