Add ENABLE_PRINTING and disable it on Android.

chrome/test/base/testing_browser_process.cc

Index: chrome/test/base/testing_browser_process.cc
diff --git a/chrome/test/base/testing_browser_process.cc b/chrome/test/base/testing_browser_process.cc
index 8ae4c44472d27c6c91f6156dd28ff4fd02827c6f..9f368f71cc9d169412ab5672c2546a6117d708d0 100644
--- a/chrome/test/base/testing_browser_process.cc
+++ b/chrome/test/base/testing_browser_process.cc
@@ -188,27 +188,27 @@ printing::PrintJobManager* TestingBrowserProcess::print_job_manager() {
 
 printing::PrintPreviewTabController*
 TestingBrowserProcess::print_preview_tab_controller() {
-#if defined(OS_ANDROID)
-  NOTIMPLEMENTED();
-  return NULL;
-#else
+#if defined(ENABLE_PRINTING)
   if (!print_preview_tab_controller_.get())
     print_preview_tab_controller_ = new printing::PrintPreviewTabController();
   return print_preview_tab_controller_.get();
+#else
+  NOTIMPLEMENTED();
+  return NULL;
 #endif
 }
 
 printing::BackgroundPrintingManager*
 TestingBrowserProcess::background_printing_manager() {
-#if defined(OS_ANDROID)
-  NOTIMPLEMENTED();
-  return NULL;
-#else
+#if defined(ENABLE_PRINTING)
   if (!background_printing_manager_.get()) {
     background_printing_manager_.reset(
         new printing::BackgroundPrintingManager());
   }
   return background_printing_manager_.get();
+#else
+  NOTIMPLEMENTED();
+  return NULL;
 #endif
 }