Android accessibility should not treat whitespace-only nodes as interesting.

content/browser/accessibility/browser_accessibility_android.cc

Index: content/browser/accessibility/browser_accessibility_android.cc
diff --git a/content/browser/accessibility/browser_accessibility_android.cc b/content/browser/accessibility/browser_accessibility_android.cc
index b0fdd15733f2eeb5abe1999c60577eafd0d80db8..a354b70137605881e8f3c08e34c44f8af6711ed9 100644
--- a/content/browser/accessibility/browser_accessibility_android.cc
+++ b/content/browser/accessibility/browser_accessibility_android.cc
@@ -288,8 +288,9 @@ bool BrowserAccessibilityAndroid::IsInterestingOnAndroid() const {
   if (IsControl())
     return true;
 
-  // Otherwise, the interesting nodes are leaf nodes with text.
-  return PlatformIsLeaf() && !GetText().empty();
+  // Otherwise, the interesting nodes are leaf nodes with non-whitespace text.
+  return PlatformIsLeaf() &&
+      !base::ContainsOnlyChars(GetText(), base::kWhitespaceUTF16);
 }
 
 const BrowserAccessibilityAndroid*