Initial GetSample implementation.

test/cctest/test-log-stack-tracer.cc

Index: test/cctest/test-log-stack-tracer.cc
diff --git a/test/cctest/test-log-stack-tracer.cc b/test/cctest/test-log-stack-tracer.cc
index 334a2010532bd3373b7547ede2ff4142ea7988e7..c604bec24e2071ac25208eae958ac02d74298953 100644
--- a/test/cctest/test-log-stack-tracer.cc
+++ b/test/cctest/test-log-stack-tracer.cc
@@ -176,8 +176,11 @@ TEST(CFromJSStackTrace) {
   CHECK_GT(sample.frames_count, base + 1);
 
   CHECK(IsAddressWithinFuncCode(
-      context, "JSFuncDoTrace", sample.stack[base + 0]));
-  CHECK(IsAddressWithinFuncCode(context, "JSTrace", sample.stack[base + 1]));
+      context, "JSFuncDoTrace",
+      reinterpret_cast<Address>(sample.stack[base + 0])));
+  CHECK(IsAddressWithinFuncCode(
+      context, "JSTrace",
+      reinterpret_cast<Address>(sample.stack[base + 1])));
 }
 
 
@@ -227,9 +230,12 @@ TEST(PureJSStackTrace) {
   // Stack sampling will start from the caller of JSFuncDoTrace, i.e. "JSTrace"
   unsigned base = 0;
   CHECK_GT(sample.frames_count, base + 1);
-  CHECK(IsAddressWithinFuncCode(context, "JSTrace", sample.stack[base + 0]));
   CHECK(IsAddressWithinFuncCode(
-      context, "OuterJSTrace", sample.stack[base + 1]));
+      context, "JSTrace",
+      reinterpret_cast<Address>(sample.stack[base + 0])));
+  CHECK(IsAddressWithinFuncCode(
+      context, "OuterJSTrace",
+      reinterpret_cast<Address>(sample.stack[base + 1])));
 }