Componentize IgnoreNavigationResourceThrottle and add chrome and webview specific implementations.

chrome/browser/renderer_host/chrome_resource_dispatcher_host_delegate.cc

Index: chrome/browser/renderer_host/chrome_resource_dispatcher_host_delegate.cc
diff --git a/chrome/browser/renderer_host/chrome_resource_dispatcher_host_delegate.cc b/chrome/browser/renderer_host/chrome_resource_dispatcher_host_delegate.cc
index cbeed67b33132465d3b771b8cd31f50d91f02390..ee06dda7ac2687fb9f77aaa63f5a14e09f124999 100644
--- a/chrome/browser/renderer_host/chrome_resource_dispatcher_host_delegate.cc
+++ b/chrome/browser/renderer_host/chrome_resource_dispatcher_host_delegate.cc
@@ -46,6 +46,9 @@
 // TODO(oshima): Enable this for other platforms.
 #if defined(OS_CHROMEOS)
 #include "chrome/browser/renderer_host/offline_resource_throttle.h"
+#elif defined(OS_ANDROID)

[benm (inactive), 2012/09/19 11:04:04]

should this be it's own #if? Doesn't seem like an alternative to the chromeos
#if

[mkosiba (inactive), 2012/09/25 18:01:47]

Done.

+#include "chrome/browser/android/chrome_intercept_navigation_resource_throttle.h"
+using chrome::android::ChromeInterceptNavigationResourceThrottle;
 #endif
 
 using content::BrowserThread;
@@ -133,14 +136,17 @@ void ChromeResourceDispatcherHostDelegate::RequestBeginning(
     request->set_priority(net::IDLE);
   }
 
-#if defined(OS_CHROMEOS)
   if (resource_type == ResourceType::MAIN_FRAME) {
+#if defined(OS_CHROMEOS)
     // We check offline first, then check safe browsing so that we still can
     // block unsafe site after we remove offline page.
     throttles->push_back(new OfflineResourceThrottle(
         child_id, route_id, request, appcache_service));
-  }
+#elif defined(OS_ANDROID)
+    throttles->push_back(ChromeInterceptNavigationResourceThrottle::Create(
+        request));
 #endif
+  }
 
   AppendChromeMetricsHeaders(request, resource_context, resource_type);