Switch ContentSettingsObserver to be a RenderFrameObserver instead of a RenderViewObserver

android_webview/renderer/aw_content_renderer_client.cc

Index: android_webview/renderer/aw_content_renderer_client.cc
===================================================================
--- android_webview/renderer/aw_content_renderer_client.cc	(revision 241294)
+++ android_webview/renderer/aw_content_renderer_client.cc	(working copy)
@@ -8,6 +8,7 @@
 #include "android_webview/common/render_view_messages.h"
 #include "android_webview/common/url_constants.h"
 #include "android_webview/renderer/aw_key_systems.h"
+#include "android_webview/renderer/aw_permission_client.h"
 #include "android_webview/renderer/aw_render_view_ext.h"
 #include "android_webview/renderer/print_web_view_helper.h"
 #include "base/message_loop/message_loop.h"
@@ -112,6 +113,11 @@
   return ignore_navigation;
 }
 
+void AwContentRendererClient::RenderFrameCreated(
+    content::RenderFrame* render_frame) {
+  new AwPermissionClient(render_frame);
+}
+
 void AwContentRendererClient::RenderViewCreated(
     content::RenderView* render_view) {
   AwRenderViewExt::RenderViewCreated(render_view);