Add more files to content_unittests.

content/test/content_test_suite.cc

Index: content/test/content_test_suite.cc
diff --git a/content/test/content_test_suite.cc b/content/test/content_test_suite.cc
index 2cfc1e590756f0e6ccf2ad71c74e1a9c90a2945f..377757056f69ead4c1c92f197c13ec9f5d28925f 100644
--- a/content/test/content_test_suite.cc
+++ b/content/test/content_test_suite.cc
@@ -6,7 +6,9 @@
 
 #include "base/logging.h"
 #include "base/memory/scoped_ptr.h"
+#include "content/browser/mock_content_browser_client.h"
 #include "content/common/content_client.h"
+#include "content/common/notification_service.h"
 #include "content/test/test_content_client.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
@@ -18,19 +20,30 @@ class TestContentClientInitializer : public testing::EmptyTestEventListener {
   }
 
   virtual void OnTestStart(const testing::TestInfo& test_info) OVERRIDE {
+    notification_service_.reset(new NotificationService());
+
     DCHECK(!content::GetContentClient());
     content_client_.reset(new TestContentClient);
     content::SetContentClient(content_client_.get());
+
+    content_browser_client_.reset(new content::MockContentBrowserClient());
+    content_client_->set_browser(content_browser_client_.get());
   }
 
   virtual void OnTestEnd(const testing::TestInfo& test_info) OVERRIDE {
+    notification_service_.reset();
+
     DCHECK_EQ(content_client_.get(), content::GetContentClient());
     content::SetContentClient(NULL);
     content_client_.reset();
+
+    content_browser_client_.reset();
   }
 
  private:
+  scoped_ptr<NotificationService> notification_service_;
   scoped_ptr<content::ContentClient> content_client_;
+  scoped_ptr<content::ContentBrowserClient> content_browser_client_;
 
   DISALLOW_COPY_AND_ASSIGN(TestContentClientInitializer);
 };