Small fixes to allow all-in-one compilation.

src/checks.cc

Index: src/checks.cc
diff --git a/src/checks.cc b/src/checks.cc
index 2f254569f41badb984c2ac477bf13afe2f9261b5..f8a2f24f64362ab78bfaf93be017dae4040328ba 100644
--- a/src/checks.cc
+++ b/src/checks.cc
@@ -32,8 +32,6 @@
 #include "platform.h"
 #include "top.h"
 
-using namespace v8::internal;
-
 static int fatal_error_handler_nesting_depth = 0;
 
 // Contains protection against recursive calls (faults while handling faults).
@@ -41,21 +39,21 @@ extern "C" void V8_Fatal(const char* file, int line, const char* format, ...) {
   fatal_error_handler_nesting_depth++;
   // First time we try to print an error message
   if (fatal_error_handler_nesting_depth < 2) {
-    OS::PrintError("\n\n#\n# Fatal error in %s, line %d\n# ", file, line);
+    i::OS::PrintError("\n\n#\n# Fatal error in %s, line %d\n# ", file, line);
     va_list arguments;
     va_start(arguments, format);
-    OS::VPrintError(format, arguments);
+    i::OS::VPrintError(format, arguments);
     va_end(arguments);
-    OS::PrintError("\n#\n\n");
+    i::OS::PrintError("\n#\n\n");
   }
   // First two times we may try to print a stack dump.
   if (fatal_error_handler_nesting_depth < 3) {
-    if (FLAG_stack_trace_on_abort) {
+    if (i::FLAG_stack_trace_on_abort) {
       // Call this one twice on double fault
-      Top::PrintStack();
+      i::Top::PrintStack();
     }
   }
-  OS::Abort();
+  i::OS::Abort();
 }
 
 
@@ -90,11 +88,11 @@ void CheckNonEqualsHelper(const char* file,
 
 
 void API_Fatal(const char* location, const char* format, ...) {
-  OS::PrintError("\n#\n# Fatal error in %s\n# ", location);
+  i::OS::PrintError("\n#\n# Fatal error in %s\n# ", location);
   va_list arguments;
   va_start(arguments, format);
-  OS::VPrintError(format, arguments);
+  i::OS::VPrintError(format, arguments);
   va_end(arguments);
-  OS::PrintError("\n#\n\n");
-  OS::Abort();
+  i::OS::PrintError("\n#\n\n");
+  i::OS::Abort();
 }