bulk replace Isolate::Current in tests

test/cctest/test-hashing.cc

Index: test/cctest/test-hashing.cc
diff --git a/test/cctest/test-hashing.cc b/test/cctest/test-hashing.cc
index 63bb31d2a33e973a41c616a4e63c3bcd685c5ded..3ec844e9c723ffdb2cc4cdef5931f17112b3bec1 100644
--- a/test/cctest/test-hashing.cc
+++ b/test/cctest/test-hashing.cc
@@ -151,7 +151,7 @@ void generate(MacroAssembler* masm, uint32_t key) {
 
 
 void check(i::Vector<const uint8_t> string) {
-  Isolate* isolate = Isolate::Current();
+  Isolate* isolate = CcTest::i_isolate();
   Factory* factory = isolate->factory();
   HandleScope scope(isolate);
 
@@ -188,12 +188,12 @@ void check(i::Vector<const char> s) {
 
 
 void check(uint32_t key) {
-  Isolate* isolate = Isolate::Current();
+  Isolate* isolate = CcTest::i_isolate();
   Factory* factory = isolate->factory();
   HandleScope scope(isolate);
 
   v8::internal::byte buffer[2048];
-  MacroAssembler masm(Isolate::Current(), buffer, sizeof buffer);
+  MacroAssembler masm(CcTest::i_isolate(), buffer, sizeof buffer);
 
   generate(&masm, key);