Add Android AX functions to set the value and selection of a text field.

content/browser/accessibility/browser_accessibility_manager.h

Index: content/browser/accessibility/browser_accessibility_manager.h
diff --git a/content/browser/accessibility/browser_accessibility_manager.h b/content/browser/accessibility/browser_accessibility_manager.h
index 3760141917042f9547b54bfe1aeee56da87b24f7..4b637cd7d287dcce41ba9f082c911301dd4203e5 100644
--- a/content/browser/accessibility/browser_accessibility_manager.h
+++ b/content/browser/accessibility/browser_accessibility_manager.h
@@ -61,6 +61,8 @@ class CONTENT_EXPORT BrowserAccessibilityDelegate {
       int acc_obj_id, const gfx::Point& point) = 0;
   virtual void AccessibilitySetTextSelection(
       int acc_obj_id, int start_offset, int end_offset) = 0;
+  virtual void AccessibilitySetValue(
+      int acc_obj_id, const base::string16& value) = 0;
   virtual bool AccessibilityViewHasFocus() const = 0;
   virtual gfx::Rect AccessibilityGetViewBounds() const = 0;
   virtual gfx::Point AccessibilityOriginInScreen(
@@ -146,6 +148,10 @@ class CONTENT_EXPORT BrowserAccessibilityManager : public ui::AXTreeDelegate {
   void ScrollToPoint(
       const BrowserAccessibility& node, gfx::Point point);
 
+  // Tell the renderer to set the value of an editable text node.
+  void SetValue(
+      const BrowserAccessibility& node, const base::string16& value);
+
   // Tell the renderer to set the text selection on a node.
   void SetTextSelection(
       const BrowserAccessibility& node, int start_offset, int end_offset);