Refactor Permissions related method out of ContentBrowserClient.

android_webview/browser/aw_browser_context.cc

Index: android_webview/browser/aw_browser_context.cc
diff --git a/android_webview/browser/aw_browser_context.cc b/android_webview/browser/aw_browser_context.cc
index 30f59cb8097fabe774b3970eddec9c2d4e1799ff..fd551e188d3938cdb150e082f85307e269912ae4 100644
--- a/android_webview/browser/aw_browser_context.cc
+++ b/android_webview/browser/aw_browser_context.cc
@@ -5,6 +5,7 @@
 #include "android_webview/browser/aw_browser_context.h"
 
 #include "android_webview/browser/aw_form_database_service.h"
+#include "android_webview/browser/aw_permission_manager.h"
 #include "android_webview/browser/aw_pref_store.h"
 #include "android_webview/browser/aw_quota_manager_bridge.h"
 #include "android_webview/browser/aw_resource_context.h"
@@ -351,6 +352,12 @@ content::SSLHostStateDelegate* AwBrowserContext::GetSSLHostStateDelegate() {
   return ssl_host_state_delegate_.get();
 }
 
+content::PermissionManager* AwBrowserContext::GetPermissionManager() {
+  if (!permission_manager_.get())
+    permission_manager_.reset(new AwPermissionManager());
+  return permission_manager_.get();
+}
+
 void AwBrowserContext::RebuildTable(
     const scoped_refptr<URLEnumerator>& enumerator) {
   // Android WebView rebuilds from WebChromeClient.getVisitedHistory. The client