Added accessibility notification from Blink when spelling mistakes are detected.

third_party/WebKit/Source/core/editing/spellcheck/SpellCheckRequester.cpp

Index: third_party/WebKit/Source/core/editing/spellcheck/SpellCheckRequester.cpp
diff --git a/third_party/WebKit/Source/core/editing/spellcheck/SpellCheckRequester.cpp b/third_party/WebKit/Source/core/editing/spellcheck/SpellCheckRequester.cpp
index b37a5d86c095894551447c485c8b0674d710e165..048e6587ff93c5562a9a85a0c4b67ed8a85bec49 100644
--- a/third_party/WebKit/Source/core/editing/spellcheck/SpellCheckRequester.cpp
+++ b/third_party/WebKit/Source/core/editing/spellcheck/SpellCheckRequester.cpp
@@ -25,6 +25,7 @@
 
 #include "core/editing/spellcheck/SpellCheckRequester.h"
 
+#include "core/dom/AXObjectCache.h"
 #include "core/dom/Document.h"
 #include "core/dom/Node.h"
 #include "core/editing/EditingUtilities.h"
@@ -284,6 +285,7 @@ void SpellCheckRequester::didCheckSucceed(int sequence, const Vector<TextCheckin
         }
     }
     didCheck(sequence, results);
+    reportDocumentMarkersChangeToAccessibility();
 }
 
 void SpellCheckRequester::didCheckCancel(int sequence)
@@ -292,6 +294,17 @@ void SpellCheckRequester::didCheckCancel(int sequence)
     didCheck(sequence, results);
 }
 
+void SpellCheckRequester::reportDocumentMarkersChangeToAccessibility() const
+{
+    if (!m_processingRequest || !m_processingRequest->isValid())
+        return;
+
+    AXObjectCache* axObjectCache = frame().document()->existingAXObjectCache();
+    if (!axObjectCache)
+        return;
+    axObjectCache->handleEditableTextContentChanged(m_processingRequest->rootEditableElement());

[dmazzoni, 2016/08/25 15:19:04]

Please add a new AXObjectCache function specifically for this, like
handleTextMarkersChanged

In a contenteditable, what node are the text markers attached to? Are they
attached to the root editable element, or to a child like a static text element?

If it's a child, then we need to fire a notification on that child also.

+}
+
 DEFINE_TRACE(SpellCheckRequester)
 {
     visitor->trace(m_frame);