Allow MessageFilters to restrict listening to specific message classes

android_webview/browser/aw_content_browser_client.cc

Index: android_webview/browser/aw_content_browser_client.cc
diff --git a/android_webview/browser/aw_content_browser_client.cc b/android_webview/browser/aw_content_browser_client.cc
index 0a5ed1e9378dca979228a428d15fbefedaa0ca76..17dcd29750de3696d27325df005d44accff9c0a6 100644
--- a/android_webview/browser/aw_content_browser_client.cc
+++ b/android_webview/browser/aw_content_browser_client.cc
@@ -39,6 +39,10 @@ using content::BrowserThread;
 namespace android_webview {
 namespace {
 
+const uint32 kFilteredMessageClasses[] = {
+  AndroidWebViewMsgStart
+};
+
 // TODO(sgurun) move this to its own file.
 // This class filters out incoming aw_contents related IPC messages for the
 // renderer process on the IPC thread.
@@ -68,7 +72,9 @@ private:
 };
 
 AwContentsMessageFilter::AwContentsMessageFilter(int process_id)
-    : process_id_(process_id) {
+    : BrowserMessageFilter(
+          kFilteredMessageClasses, arraysize(kFilteredMessageClasses)),
+      process_id_(process_id) {
 }
 
 AwContentsMessageFilter::~AwContentsMessageFilter() {