[Android WebView] Call shouldInterceptRequest on a background thread

android_webview/native/aw_contents_io_thread_client_impl.h

Index: android_webview/native/aw_contents_io_thread_client_impl.h
diff --git a/android_webview/native/aw_contents_io_thread_client_impl.h b/android_webview/native/aw_contents_io_thread_client_impl.h
index 97ba3146091604596ff47d6a80fdd61ac7726384..45e6e18e8b3360c48677686c99ef64e8e1725a08 100644
--- a/android_webview/native/aw_contents_io_thread_client_impl.h
+++ b/android_webview/native/aw_contents_io_thread_client_impl.h
@@ -7,6 +7,7 @@
 
 #include "android_webview/browser/aw_contents_io_thread_client.h"
 
+#include "base/android/jni_weak_ref.h"

[boliu, 2015/09/28 23:26:28]

needed only in .cc I think?

[mnaganov (inactive), 2015/09/29 00:14:06]

Yeah, and it's already there :)

 #include "base/android/scoped_java_ref.h"
 #include "base/basictypes.h"
 #include "base/compiler_specific.h"
@@ -47,8 +48,10 @@ class AwContentsIoThreadClientImpl : public AwContentsIoThreadClient {
   // Implementation of AwContentsIoThreadClient.
   bool PendingAssociation() const override;
   CacheMode GetCacheMode() const override;
-  scoped_ptr<AwWebResourceResponse> ShouldInterceptRequest(
-      const net::URLRequest* request) override;
+  void ShouldInterceptRequestAsync(
+      const net::URLRequest* request,
+      const base::Callback<void(scoped_ptr<AwWebResourceResponse>)> callback)
+      override;
   bool ShouldBlockContentUrls() const override;
   bool ShouldBlockFileUrls() const override;
   bool ShouldAcceptThirdPartyCookies() const override;
@@ -69,6 +72,7 @@ class AwContentsIoThreadClientImpl : public AwContentsIoThreadClient {
  private:
   bool pending_association_;
   base::android::ScopedJavaGlobalRef<jobject> java_object_;
+  base::android::ScopedJavaGlobalRef<jobject> bg_thread_client_object_;
 
   DISALLOW_COPY_AND_ASSIGN(AwContentsIoThreadClientImpl);
 };