On Android, unlabeled link containing image should use image url as name.

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 61ecb22bf6cc0bbd9128c9b55672473a7912e133..caea3beab892e101df3d221e8a682f66c6652e58 100644
--- a/content/browser/accessibility/browser_accessibility_android.cc
+++ b/content/browser/accessibility/browser_accessibility_android.cc
@@ -327,14 +327,16 @@ base::string16 BrowserAccessibilityAndroid::GetText() const {
 
   // This is called from PlatformIsLeaf, so don't call PlatformChildCount
   // from within this!
-  if (text.empty() && HasOnlyStaticTextChildren()) {
+  if (text.empty() &&
+      (HasOnlyStaticTextChildren() ||
+       (IsFocusable() && HasOnlyTextAndImageChildren()))) {
     for (uint32 i = 0; i < InternalChildCount(); i++) {
       BrowserAccessibility* child = InternalGetChild(i);
       text += static_cast<BrowserAccessibilityAndroid*>(child)->GetText();
     }
   }
 
-  if (text.empty() && IsLink()) {
+  if (text.empty() && (IsLink() || GetRole() == ui::AX_ROLE_IMAGE)) {
     base::string16 url = GetString16Attribute(ui::AX_ATTR_URL);
     // Given a url like http://foo.com/bar/baz.png, just return the
     // base name, e.g., "baz".
@@ -621,6 +623,19 @@ bool BrowserAccessibilityAndroid::HasOnlyStaticTextChildren() const {
   return true;
 }
 
+bool BrowserAccessibilityAndroid::HasOnlyTextAndImageChildren() const {
+  // This is called from PlatformIsLeaf, so don't call PlatformChildCount
+  // from within this!
+  for (uint32 i = 0; i < InternalChildCount(); i++) {
+    BrowserAccessibility* child = InternalGetChild(i);
+    if (child->GetRole() != ui::AX_ROLE_STATIC_TEXT &&
+        child->GetRole() != ui::AX_ROLE_IMAGE) {
+      return false;
+    }
+  }
+  return true;
+}
+
 bool BrowserAccessibilityAndroid::IsIframe() const {
   base::string16 html_tag = GetString16Attribute(
       ui::AX_ATTR_HTML_TAG);