Deprecate CpuProfileNode::GetCallUid

The client can use scriptId + lineNumber + columnNumber
to uniquelly identify the call site.

Review-Url: https://codereview.chromium.org/2199003003
Cr-Commit-Position: refs/heads/master@{#38236}

include/v8-profiler.h

@@ -137,7 +137,9 @@ class V8_EXPORT CpuProfileNode {
   unsigned GetHitCount() const;
 
   /** Returns function entry UID. */
-  unsigned GetCallUid() const;
+  V8_DEPRECATE_SOON(
+      "Use GetScriptId, GetLineNumber, and GetColumnNumber instead.",
+      unsigned GetCallUid() const);
 
   /** Returns id of the node. The id is unique within the tree */
   unsigned GetNodeId() const;