Expose TickSample and its APIs in v8-profiler.h

src/profiler/profile-generator.h

Index: src/profiler/profile-generator.h
diff --git a/src/profiler/profile-generator.h b/src/profiler/profile-generator.h
index fdd87f336f18ddc5ed0c3a86f3a601a02adead0b..35037ca2085e935538907ea40382841e91e7b299 100644
--- a/src/profiler/profile-generator.h
+++ b/src/profiler/profile-generator.h
@@ -6,13 +6,15 @@
 #define V8_PROFILER_PROFILE_GENERATOR_H_
 
 #include <map>
-#include "include/v8-profiler.h"
 #include "src/allocation.h"
 #include "src/base/hashmap.h"
 #include "src/compiler.h"
 #include "src/profiler/strings-storage.h"
 
 namespace v8 {
+
+struct TickSample;
+
 namespace internal {
 
 // Provides a mapping from the offsets within generated code to
@@ -367,7 +369,8 @@ class ProfileGenerator {
  public:
   explicit ProfileGenerator(CpuProfilesCollection* profiles);
 
-  void RecordTickSample(const TickSample& sample);
+  void RecordTickSample(const TickSample& sample,
+                        const base::TimeTicks& timestamp);
 
   CodeMap* code_map() { return &code_map_; }