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 79f9d775c52c7356e2d0ef6a5cf0db97c98e25bb..13e093a8ba35806bb09d7a1cff857a88cc578def 100644
--- a/chrome/renderer/chrome_content_renderer_client.cc
+++ b/chrome/renderer/chrome_content_renderer_client.cc
@@ -142,7 +142,8 @@ static void AppendParams(const std::vector<string16>& additional_names,
 namespace chrome {
 
 ChromeContentRendererClient::ChromeContentRendererClient()
-    : spellcheck_provider_(NULL) {
+    : spellcheck_provider_(NULL),
+      image_setting_rules_(NULL) {
   chrome::InitializePPAPI();
 }
 
@@ -222,8 +223,10 @@ void ChromeContentRendererClient::RenderThreadStarted() {
 
 void ChromeContentRendererClient::RenderViewCreated(
     content::RenderView* render_view) {
+  // |SetImageSettingRules| should've been called by now.
+  DCHECK(image_setting_rules_);
   ContentSettingsObserver* content_settings =
-      new ContentSettingsObserver(render_view);
+      new ContentSettingsObserver(render_view, image_setting_rules_);
   new ExtensionHelper(render_view, extension_dispatcher_.get());
   new PageLoadHistograms(render_view, histogram_snapshots_.get());
   new PrintWebViewHelper(render_view);
@@ -862,4 +865,9 @@ bool ChromeContentRendererClient::IsAdblockPlusWithWebRequestInstalled() {
   return false;
 }
 
+void ChromeContentRendererClient::SetImageSettingRules(
+    const ContentSettingsForOneType* image_setting_rules) {
+  image_setting_rules_ = image_setting_rules;
+}
+
 }  // namespace chrome