Add verbose logging for native accessibility events.

content/browser/accessibility/browser_accessibility_android.cc

 // Copyright 2013 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "content/browser/accessibility/browser_accessibility_android.h"
 
 #include "base/i18n/break_iterator.h"
 #include "base/strings/string_number_conversions.h"
 #include "base/strings/string_util.h"
 #include "base/strings/stringprintf.h"
@@ skipping 47 matching lines @@
 
 BrowserAccessibilityAndroid::BrowserAccessibilityAndroid() {
   first_time_ = true;
 }
 
 bool BrowserAccessibilityAndroid::IsNative() const {
   return true;
 }
 
 void BrowserAccessibilityAndroid::OnLocationChanged() {
-  manager()->NotifyAccessibilityEvent(ui::AX_EVENT_LOCATION_CHANGED, this);
+  manager()->NotifyAccessibilityEvent(
+      BrowserAccessibilityEvent::FromTreeChange,
+      ui::AX_EVENT_LOCATION_CHANGED,
+      this);
 }
 
 base::string16 BrowserAccessibilityAndroid::GetValue() const {
   base::string16 value = BrowserAccessibility::GetValue();
 
   // Optionally replace entered password text with bullet characters
   // based on a user preference.
   if (IsPassword()) {
     bool should_expose = static_cast<BrowserAccessibilityManagerAndroid*>(
         manager())->ShouldExposePasswordText();
@@ skipping 1287 matching lines @@
   BrowserAccessibility::OnDataChanged();
 
   if (IsEditableText()) {
     base::string16 value = GetValue();
     if (value != new_value_) {
       old_value_ = new_value_;
       new_value_ = value;
     }
   }
 
-  if (GetRole() == ui::AX_ROLE_ALERT && first_time_)
-    manager()->NotifyAccessibilityEvent(ui::AX_EVENT_ALERT, this);
+  if (GetRole() == ui::AX_ROLE_ALERT && first_time_) {
+    manager()->NotifyAccessibilityEvent(
+        BrowserAccessibilityEvent::FromTreeChange,
+        ui::AX_EVENT_ALERT,
+        this);
+  }
 
   base::string16 live;
   if (GetString16Attribute(
       ui::AX_ATTR_CONTAINER_LIVE_STATUS, &live)) {
     NotifyLiveRegionUpdate(live);
   }
 
   first_time_ = false;
 }
 
 void BrowserAccessibilityAndroid::NotifyLiveRegionUpdate(
     base::string16& aria_live) {
   if (!base::EqualsASCII(aria_live, aria_strings::kAriaLivePolite) &&
       !base::EqualsASCII(aria_live, aria_strings::kAriaLiveAssertive))
     return;
 
   base::string16 text = GetText();
   if (cached_text_ != text) {
     if (!text.empty()) {
-      manager()->NotifyAccessibilityEvent(ui::AX_EVENT_SHOW,
-                                         this);
+      manager()->NotifyAccessibilityEvent(
+          BrowserAccessibilityEvent::FromTreeChange,
+          ui::AX_EVENT_SHOW,
+          this);
     }
     cached_text_ = text;
   }
 }
 
 int BrowserAccessibilityAndroid::CountChildrenWithRole(ui::AXRole role) const {
   int count = 0;
   for (uint32_t i = 0; i < PlatformChildCount(); i++) {
     if (PlatformGetChild(i)->GetRole() == role)
       count++;
   }
   return count;
 }
 
 }  // namespace content