Delegating the "are images allowed" decision to renderer.

chrome/renderer/chrome_content_renderer_client.cc

Index: chrome/renderer/chrome_content_renderer_client.cc
diff --git a/chrome/renderer/chrome_content_renderer_client.cc b/chrome/renderer/chrome_content_renderer_client.cc
index ec598efeba2e2fb445cfefc130c4e8b788f371e2..5c461a7c3ea01a9605947af3cbd00b87ead1f746 100644
--- a/chrome/renderer/chrome_content_renderer_client.cc
+++ b/chrome/renderer/chrome_content_renderer_client.cc
@@ -225,6 +225,10 @@ void ChromeContentRendererClient::RenderViewCreated(
     content::RenderView* render_view) {
   ContentSettingsObserver* content_settings =
       new ContentSettingsObserver(render_view);
+  if (chrome_observer_.get()) {
+    content_settings->SetImageSettingRules(
+        chrome_observer_->image_setting_rules());
+  }
   new ExtensionHelper(render_view, extension_dispatcher_.get());
   new PageLoadHistograms(render_view, histogram_snapshots_.get());
   new PrintWebViewHelper(render_view);