Add ENABLE_PRINTING and disable it on Android.

webkit/plugins/ppapi/ppapi_plugin_instance.cc

Index: webkit/plugins/ppapi/ppapi_plugin_instance.cc
diff --git a/webkit/plugins/ppapi/ppapi_plugin_instance.cc b/webkit/plugins/ppapi/ppapi_plugin_instance.cc
index 429dd03d4c65297cf1180a606232516017f62711..26e9f28af6713bbb53913ff7e32b48bac041908f 100644
--- a/webkit/plugins/ppapi/ppapi_plugin_instance.cc
+++ b/webkit/plugins/ppapi/ppapi_plugin_instance.cc
@@ -1169,6 +1169,7 @@ int PluginInstance::PrintBegin(const WebPrintParams& print_params) {
 }
 
 bool PluginInstance::PrintPage(int page_number, WebKit::WebCanvas* canvas) {
+#if defined(ENABLE_PRINTING)
   DCHECK(plugin_print_interface_);
   PP_PrintPageNumberRange_Dev page_range;
   page_range.first_page_number = page_range.last_page_number = page_number;
@@ -1188,6 +1189,9 @@ bool PluginInstance::PrintPage(int page_number, WebKit::WebCanvas* canvas) {
   {
     return PrintPageHelper(&page_range, 1, canvas);
   }
+#else  // defined(ENABLED_PRINTING)
+  return false;
+#endif
 }
 
 bool PluginInstance::PrintPageHelper(PP_PrintPageNumberRange_Dev* page_ranges,