Belated code review regarding pexe content handler.

Adds logging statement for translation process, and fixes
incorrect comment regarding parent class of NaCl content handlers.

See https://codereview.chromium.org/1382713002/ for original CL.

BUG=#396
R=jamesr@chromium.org

Review URL: https://codereview.chromium.org/1429953003 .
diff --git a/mojo/nacl/nonsfi/irt_pnacl_translator_compile.cc b/mojo/nacl/nonsfi/irt_pnacl_translator_compile.cc
index a49fbda..844f2bf 100644
--- a/mojo/nacl/nonsfi/irt_pnacl_translator_compile.cc
+++ b/mojo/nacl/nonsfi/irt_pnacl_translator_compile.cc
@@ -55,6 +55,9 @@
       LOG(FATAL) << "Could not unlink temporary pexe file";
     if (pexe_file_stream == nullptr)
       LOG(FATAL) << "Could not open pexe for reading";
+    // TODO(smklein): Remove these LOG statements once translation speed
+    // is improved.
+    LOG(INFO) << "Starting compilation of pexe into nexe";
     for (;;) {
       size_t num_bytes_from_pexe = fread(buf.get(), 1, kBufferSize,
                                          pexe_file_stream);
@@ -65,6 +68,7 @@
         break;
       }
       funcs_->data_callback(buf.get(), num_bytes_from_pexe);
+      LOG(INFO) << "Compiled " << num_bytes_from_pexe << " bytes";
     }
     buf.reset();
 
diff --git a/services/nacl/content_handler_main.cc b/services/nacl/content_handler_main.cc
index 1b8886b..bce8bfd 100644
--- a/services/nacl/content_handler_main.cc
+++ b/services/nacl/content_handler_main.cc
@@ -119,7 +119,7 @@
     return true;
   }
 
-  // Overridden from ContentHandlerFactory::ManagedDelegate:
+  // Overridden from ContentHandlerFactory::Delegate:
   void RunApplication(
       mojo::InterfaceRequest<mojo::Application> application_request,
       mojo::URLResponsePtr response) override {
diff --git a/services/nacl/content_handler_main_nonsfi.cc b/services/nacl/content_handler_main_nonsfi.cc
index 5eee675..86b0ad5 100644
--- a/services/nacl/content_handler_main_nonsfi.cc
+++ b/services/nacl/content_handler_main_nonsfi.cc
@@ -32,7 +32,7 @@
     return true;
   }
 
-  // Overridden from ContentHandlerFactory::ManagedDelegate:
+  // Overridden from ContentHandlerFactory::Delegate:
   void RunApplication(
       mojo::InterfaceRequest<mojo::Application> application_request,
       mojo::URLResponsePtr response) override {
diff --git a/services/nacl/content_handler_main_nonsfi_pexe.cc b/services/nacl/content_handler_main_nonsfi_pexe.cc
index 6a503d6..ad88a45 100644
--- a/services/nacl/content_handler_main_nonsfi_pexe.cc
+++ b/services/nacl/content_handler_main_nonsfi_pexe.cc
@@ -81,7 +81,7 @@
     return true;
   }
 
-  // Overridden from ContentHandlerFactory::ManagedDelegate:
+  // Overridden from ContentHandlerFactory::Delegate:
   void RunApplication(
       mojo::InterfaceRequest<mojo::Application> application_request,
       mojo::URLResponsePtr response) override {