Photo Picker dialog: Add accessibility support.

chrome/android/java/src/org/chromium/chrome/browser/photo_picker/PickerBitmap.java

Index: chrome/android/java/src/org/chromium/chrome/browser/photo_picker/PickerBitmap.java
diff --git a/chrome/android/java/src/org/chromium/chrome/browser/photo_picker/PickerBitmap.java b/chrome/android/java/src/org/chromium/chrome/browser/photo_picker/PickerBitmap.java
index 6b75031f41257d14ce7b392e91fccbf46d5df958..ed34853c674c6a774b1fdbe39284ae77dde60539 100644
--- a/chrome/android/java/src/org/chromium/chrome/browser/photo_picker/PickerBitmap.java
+++ b/chrome/android/java/src/org/chromium/chrome/browser/photo_picker/PickerBitmap.java
@@ -11,6 +11,8 @@ import org.chromium.base.annotations.SuppressFBWarnings;
 
 import java.lang.annotation.Retention;
 import java.lang.annotation.RetentionPolicy;
+import java.text.DateFormat;
+import java.util.Date;
 
 /**
  * A class to keep track of the meta data associated with a an image in the photo picker.
@@ -55,6 +57,24 @@ public class PickerBitmap implements Comparable<PickerBitmap> {
         return mFilePath;
     }
 
+    /**
+     * Accessor for the filename.
+     * @return The filename (without the extension and path).
+     */
+    public String getFilenameWithoutExtension() {
+        int index = mFilePath.lastIndexOf("/");
+        if (index == -1) return mFilePath;
+        return mFilePath.substring(index + 1, mFilePath.length());
+    }
+
+    /**
+     * Accessor for the last modified date.
+     * @return The last modified date in string format.
+     */
+    public String getLastModifiedString() {
+        return DateFormat.getDateTimeInstance().format(new Date(mLastModified));
+    }
+
     /**
      * Accessor for the tile type.
      * @return The type of tile involved for this bitmap object.