Slow Reports - Embed Metadata in Traces

chrome/browser/tracing/chrome_tracing_delegate.cc

Index: chrome/browser/tracing/chrome_tracing_delegate.cc
diff --git a/chrome/browser/tracing/chrome_tracing_delegate.cc b/chrome/browser/tracing/chrome_tracing_delegate.cc
index 5521df4865e7b8ba7c8e9740dea90ab55a8b028a..3ea5872fbef33881ec9ff667fdba142dab68bc04 100644
--- a/chrome/browser/tracing/chrome_tracing_delegate.cc
+++ b/chrome/browser/tracing/chrome_tracing_delegate.cc
@@ -6,6 +6,7 @@
 
 #include "base/prefs/pref_registry_simple.h"
 #include "base/prefs/pref_service.h"
+#include "base/strings/string_split.h"
 #include "base/time/time.h"
 #include "chrome/browser/browser_process.h"
 #include "chrome/browser/profiles/profile.h"
@@ -14,6 +15,7 @@
 #include "chrome/browser/ui/browser.h"
 #include "chrome/browser/ui/browser_list.h"
 #include "chrome/browser/ui/browser_otr_state.h"
+#include "chrome/common/chrome_version_info.h"
 #include "chrome/common/pref_names.h"
 #include "content/public/browser/background_tracing_config.h"
 #include "content/public/browser/browser_thread.h"
@@ -49,6 +51,20 @@ scoped_ptr<content::TraceUploader> ChromeTracingDelegate::GetTraceUploader(
       new TraceCrashServiceUploader(request_context));
 }
 
+bool ChromeTracingDelegate::GetChromeVersion(std::string* version) {
+  DCHECK(version);
+  chrome::VersionInfo version_info;
+  std::vector<std::string> product_components;
+  base::SplitString(version_info.ProductNameAndVersionForUserAgent(), '/',
+                    &product_components);
+  DCHECK_EQ(2U, product_components.size());
+  if (product_components.size() != 2U)
+    return false;
+
+  *version = product_components[1];
+  return true;
+}
+
 bool ChromeTracingDelegate::IsAllowedToBeginBackgroundScenario(
     const content::BackgroundTracingConfig& config,
     bool requires_anonymized_data) {