Renamed enable_printing and printing_mode in *.gyp* and .*gn* files.

chrome/renderer/BUILD.gn

Index: chrome/renderer/BUILD.gn
diff --git a/chrome/renderer/BUILD.gn b/chrome/renderer/BUILD.gn
index 0c568b8936b234e4f60c5e4bba0dcb0c7b6488cb..2f4190315c3e53e413517e4cef29d45d935c7f2c 100644
--- a/chrome/renderer/BUILD.gn
+++ b/chrome/renderer/BUILD.gn
@@ -130,11 +130,11 @@ static_library("renderer") {
     deps += [ "//third_party/hunspell" ]
   }
 
-  if (printing_mode > 0) {
+  if (enable_basic_printing || enable_print_preview) {
     deps += [ "//printing" ]
     sources += rebase_path(gypi_values.chrome_renderer_printing_sources,
                            ".", "..")
-    if (printing_mode == 1) {
+    if (enable_print_preview) {
       sources += rebase_path(gypi_values.chrome_renderer_full_printing_sources,
                              ".", "..")
     }
@@ -181,10 +181,10 @@ source_set("test_support") {
     "//testing/gtest",
   ]
 
-  if (printing_mode == 1) {
+  if (enable_print_preview) {
     deps += [ "//chrome/service" ]
   }
-  if (printing_mode != 0) {
+  if (enable_basic_printing || enable_print_preview) {
     sources += [
       "printing/mock_printer.cc",
       "printing/mock_printer.h",