Expose the new _getSourceReport api in the service protocol.

runtime/vm/source_report.h

 // Copyright (c) 2015, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 #ifndef VM_SOURCE_REPORT_H_
 #define VM_SOURCE_REPORT_H_
 
 #include "vm/allocation.h"
 #include "vm/flags.h"
 #include "vm/hash_map.h"
 #include "vm/object.h"
 
 namespace dart {
 
 // A SourceReport object is used to generate reports about the program
 // source code, with information associated with source token
 // positions.  There are multiple possible kinds of reports.
 class SourceReport {
  public:
   enum ReportKind {
-    kCallSites,
-    kCoverage,
+    kCallSites = 0x1,
+    kCoverage  = 0x2,
   };
 
   enum CompileMode {
     kNoCompile,
     kForceCompile
   };
 
-  explicit SourceReport(ReportKind report_kind,
+  // report_set is a bitvector indicating which reports to generate
+  // (e.g. kCallSites | kCoverage).
+  explicit SourceReport(intptr_t report_set,
                         CompileMode compile = kNoCompile);
 
   // Generate a source report for (some subrange of) a script.
   //
   // If script is null, then the report is generated for all scripts
   // in the isolate.
   void PrintJSON(JSONStream* js, const Script& script,
                  intptr_t start_pos = -1, intptr_t end_pos = -1);
 
  private:
   void Init(Thread* thread, const Script* script,
             intptr_t start_pos, intptr_t end_pos);
 
   Thread* thread() const { return thread_; }
   Zone* zone() const { return thread_->zone(); }
 
+  bool IsReportRequested(ReportKind report_kind);
   bool ShouldSkipFunction(const Function& func);
   intptr_t GetScriptIndex(const Script& script);
   bool ScriptIsLoadedByLibrary(const Script& script, const Library& lib);
 
   void PrintCallSitesData(JSONObject* jsobj,
                           const Function& func, const Code& code);
   void PrintCoverageData(JSONObject* jsobj,
                          const Function& func, const Code& code);
   void PrintScriptTable(JSONArray* jsarr);
 
@@ skipping 26 matching lines @@
 
     static inline intptr_t Hashcode(Key key) {
       return key->Hash();
     }
 
     static inline bool IsKeyEqual(Pair kv, Key key) {
       return kv->key->Equals(*key);
     }
   };
 
-  ReportKind report_kind_;
+  intptr_t report_set_;
   CompileMode compile_mode_;
   Thread* thread_;
   const Script* script_;
   intptr_t start_pos_;
   intptr_t end_pos_;
   GrowableArray<ScriptTableEntry> script_table_entries_;
   DirectChainedHashMap<ScriptTableTrait> script_table_;
   intptr_t next_script_index_;
 };
 
 }  // namespace dart
 
 #endif  // VM_SOURCE_REPORT_H_