[Blimp] Refactor Blimp test engine with embedded test server and URL rewriting

blimp/engine/app/blimp_content_main_delegate.h

Index: blimp/engine/app/blimp_content_main_delegate.h
diff --git a/blimp/engine/app/blimp_content_main_delegate.h b/blimp/engine/app/blimp_content_main_delegate.h
index 3de47c085a5e4c1cffd57abb2d24d4c910052934..abf4a3650330819e47b69b8d4a9194a4e08a8a7f 100644
--- a/blimp/engine/app/blimp_content_main_delegate.h
+++ b/blimp/engine/app/blimp_content_main_delegate.h
@@ -30,6 +30,9 @@ class BlimpContentMainDelegate : public content::ContentMainDelegate {
   content::ContentBrowserClient* CreateContentBrowserClient() override;
   content::ContentRendererClient* CreateContentRendererClient() override;
 
+  void SetContentBrowserClientForTesting(

[Kevin M, 2017/01/09 20:17:17]

Move above overrides

[shenghuazhang, 2017/01/10 23:20:49]

Changed the scope to be protected instead.

+      std::unique_ptr<BlimpContentBrowserClient> browser_client_ptr);
+
  private:
   void InitializeResourceBundle();