Adding support for sampling crashes in Chrome on Windows.

chrome/install_static/install_util.h

Index: chrome/install_static/install_util.h
diff --git a/chrome/install_static/install_util.h b/chrome/install_static/install_util.h
index be2a99d4751a49c8509b9b5559afe9b048bcb455..d60f7b732875efcdc9637a43c64ea9de74107a45 100644
--- a/chrome/install_static/install_util.h
+++ b/chrome/install_static/install_util.h
@@ -34,6 +34,7 @@ extern const wchar_t kRegPathClientState[];
 extern const wchar_t kRegPathClientStateMedium[];
 extern const wchar_t kRegPathChromePolicy[];
 extern const wchar_t kRegApField[];
+// Used to retrieve consent for uploading crashes and metrics.
 extern const wchar_t kRegValueUsageStats[];
 extern const wchar_t kUninstallArgumentsField[];
 extern const wchar_t kMetricsReportingEnabled[];
@@ -78,6 +79,14 @@ bool GetCollectStatsConsent();
 // Only used by tests.
 bool GetCollectStatsConsentForTesting(const std::wstring& exe_path);
 
+// Returns true if the current executable is currently in the chosen sample that
+// will report stats and crashes.
+bool GetCollectStatsInSample();
+
+// Sets the registry value used for checking if Chrome is in the chosen sample
+// that will report stats and crashes. Returns true if writing was successful.
+bool SetCollectStatsInSample(bool in_sample);
+
 // Returns true if if usage stats reporting is controlled by a mandatory
 // policy. |metrics_is_enforced_by_policy| will be set to true accordingly.
 // TODO(ananta)