Update isSelectionEditable to be more broadly useful.

Add isFocusedNodeEditable to determine editability of the focus.

This will be useful for Contextual Search to determine when to trigger.

BUG=391973
Committed: https://src.chromium.org/viewvc/chrome?view=rev&revision=281857

[Donn Denman, 2014-07-08 16:06:54]

Jared, PTAL.  Thanks!

[jdduke (slow), 2014-07-08 16:25:41]

https://codereview.chromium.org/371133004/diff/1/content/public/android/java/...
File
content/public/android/java/src/org/chromium/content/browser/ContentViewCore.java
(right):

https://codereview.chromium.org/371133004/diff/1/content/public/android/java/...
content/public/android/java/src/org/chromium/content/browser/ContentViewCore.java:1110:
return mSelectionEditable;
This seems ok, but it looks like there's a test that depends on the current
query
(https://code.google.com/p/chromium/codesearch#chromium/src/content/public/and...).

Maybe instead we can add a query:

/**
 * @return Whether the currently focused region is editable.
 */ 
public boolean isFocusedNodeEditable() {
    return mFocusedNodeEditable;
}

, renaming mSelectionEditable to mFocusedNodeEditable.

[jdduke (slow), 2014-07-08 17:05:51]

lgtm

[donnd, 2014-07-08 17:12:21]

The CQ bit was checked by donnd@google.com

[commit-bot: I haz the power, 2014-07-08 17:13:39]

CQ is trying da patch. Follow status at
 https://chromium-status.appspot.com/cq/donnd@chromium.org/371133004/20001

[commit-bot: I haz the power, 2014-07-08 22:51:15]

Change committed as 281857