Add support for multipage distillation.

components/dom_distiller/core/task_tracker_unittest.cc

Index: components/dom_distiller/core/task_tracker_unittest.cc
diff --git a/components/dom_distiller/core/task_tracker_unittest.cc b/components/dom_distiller/core/task_tracker_unittest.cc
index f659fc15586e815f84f4ab8312eaf84daa0cc246..c88becbd1e9368d561842a6da9b8eef17bc9734c 100644
--- a/components/dom_distiller/core/task_tracker_unittest.cc
+++ b/components/dom_distiller/core/task_tracker_unittest.cc
@@ -18,7 +18,8 @@ namespace test {
 class FakeViewRequestDelegate : public ViewRequestDelegate {
  public:
   virtual ~FakeViewRequestDelegate() {}
-  MOCK_METHOD1(OnArticleReady, void(DistilledPageProto* proto));
+  MOCK_METHOD1(OnArticleReady,
+               void(const DistilledArticleProto* article_proto));
 };
 
 class TestCancelCallback {
@@ -36,7 +37,8 @@ class TestCancelCallback {
 
 class MockSaveCallback {
  public:
-  MOCK_METHOD3(Save, void(const ArticleEntry&, DistilledPageProto*, bool));
+  MOCK_METHOD3(Save,
+               void(const ArticleEntry&, const DistilledArticleProto*, bool));
 };
 
 class DomDistillerTaskTrackerTest : public testing::Test {