remove Isolate::GetCurrent from Context api functions

samples/lineprocessor.cc

 // Copyright 2012 the V8 project authors. All rights reserved.
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
 // met:
 //
 //     * Redistributions of source code must retain the above copyright
 //       notice, this list of conditions and the following disclaimer.
 //     * Redistributions in binary form must reproduce the above
 //       copyright notice, this list of conditions and the following
 //       disclaimer in the documentation and/or other materials provided
@@ skipping 241 matching lines @@
     script->Run();
     if (try_catch.HasCaught()) {
       if (report_exceptions)
         ReportException(isolate, &try_catch);
       return 1;
     }
   }
 
   if (cycle_type == CycleInCpp) {
     bool res = RunCppCycle(script,
-                           v8::Context::GetCurrent(),
+                           isolate->GetCurrentContext(),
                            report_exceptions);
     return !res;
   } else {
     // All is already done.
   }
   return 0;
 }
 
 
 bool RunCppCycle(v8::Handle<v8::Script> script,
@@ skipping 26 matching lines @@
     if (input_line == v8::Undefined()) {
       continue;
     }
 
     const int argc = 1;
     v8::Handle<v8::Value> argv[argc] = { input_line };
 
     v8::Handle<v8::Value> result;
     {
       v8::TryCatch try_catch;
-      result = process_fun->Call(v8::Context::GetCurrent()->Global(),
+      result = process_fun->Call(isolate->GetCurrentContext()->Global(),
                                  argc, argv);
       if (try_catch.HasCaught()) {
         if (report_exceptions)
           ReportException(isolate, &try_catch);
         return false;
       }
     }
     v8::String::Utf8Value str(result);
     const char* cstr = ToCString(str);
     printf("%s\n", cstr);
@@ skipping 121 matching lines @@
   }
   // Remove newline char
   for (char* pos = buffer; *pos != '\0'; pos++) {
     if (*pos == '\n') {
       *pos = '\0';
       break;
     }
   }
   return v8::String::New(buffer);
 }