Implement Site Settings \ Images category.

chrome/android/java/src/org/chromium/chrome/browser/preferences/website/WebsitePreferenceBridge.java

Index: chrome/android/java/src/org/chromium/chrome/browser/preferences/website/WebsitePreferenceBridge.java
diff --git a/chrome/android/java/src/org/chromium/chrome/browser/preferences/website/WebsitePreferenceBridge.java b/chrome/android/java/src/org/chromium/chrome/browser/preferences/website/WebsitePreferenceBridge.java
index ab6d50f8b8e61e7613a741ca0129c4cb4081d2be..530001981ecea7888d8d5ff2e164ac68d0dc507d 100644
--- a/chrome/android/java/src/org/chromium/chrome/browser/preferences/website/WebsitePreferenceBridge.java
+++ b/chrome/android/java/src/org/chromium/chrome/browser/preferences/website/WebsitePreferenceBridge.java
@@ -163,6 +163,22 @@ public abstract class WebsitePreferenceBridge {
         list.add(new VoiceAndVideoCaptureInfo(origin, embedder));
     }
 
+    public static List<ImagesExceptionInfo> getImagesExceptionInfo() {

[newt (away), 2015/04/09 23:43:20]

wouldn't it be handy if getImagesExceptionInfo(), getJavaScriptExceptionInfo(),
and getPopupExceptionInfo() could all be collapsed into a single a method that
took a ContentSettingType parameter?

[Finnur, 2015/04/10 17:03:26]

Indeed.

+        List<ImagesExceptionInfo> exceptions =
+                PrefServiceBridge.getInstance().getImagesExceptions();
+        if (!PrefServiceBridge.getInstance().imagesManaged()) {
+            return exceptions;
+        }
+
+        List<ImagesExceptionInfo> managedExceptions = new ArrayList<ImagesExceptionInfo>();
+        for (ImagesExceptionInfo exception : exceptions) {
+            if (exception.getSource().equals("policy")) {
+                managedExceptions.add(exception);
+            }
+        }
+        return managedExceptions;
+    }
+
     public static List<JavaScriptExceptionInfo> getJavaScriptExceptionInfo() {
         List<JavaScriptExceptionInfo> exceptions =
                 PrefServiceBridge.getInstance().getJavaScriptExceptions();