Add an outdated upgrade bubble view.

chrome/browser/upgrade_detector_impl.h

Index: chrome/browser/upgrade_detector_impl.h
diff --git a/chrome/browser/upgrade_detector_impl.h b/chrome/browser/upgrade_detector_impl.h
index 435d294b662f214c6a3edca76eb124527b723ba8..fe50aa6c0281a979c7cb5f35efa28a214166df27 100644
--- a/chrome/browser/upgrade_detector_impl.h
+++ b/chrome/browser/upgrade_detector_impl.h
@@ -6,12 +6,15 @@
 #define CHROME_BROWSER_UPGRADE_DETECTOR_IMPL_H_
 
 #include "base/memory/weak_ptr.h"
+#include "base/time.h"
 #include "base/timer.h"
 #include "chrome/browser/upgrade_detector.h"
+#include "net/url_request/url_fetcher_delegate.h"
 
 template <typename T> struct DefaultSingletonTraits;
 
-class UpgradeDetectorImpl : public UpgradeDetector {
+class UpgradeDetectorImpl : public UpgradeDetector,
+                            public net::URLFetcherDelegate {
  public:
   virtual ~UpgradeDetectorImpl();
 
@@ -30,11 +33,21 @@ class UpgradeDetectorImpl : public UpgradeDetector {
   // notifying the user.
   void UpgradeDetected();
 
+  // Sends a URL request to get a sane time to be compared to the build time.
+  void CompareBuildTimeToSaneTime();
+
   // The function that sends out a notification (after a certain time has
   // elapsed) that lets the rest of the UI know we should start notifying the
   // user that a new version is available.
   void NotifyOnUpgrade();
 
+  // net::URLFetcherDelegate implementation:
+  virtual void OnURLFetchComplete(const net::URLFetcher* source) OVERRIDE;
+
+  // Contains the current time request. Will only have a value while a request
+  // is pending, and will be reset by |OnURLFetchComplete|.
+  scoped_ptr<net::URLFetcher> pending_time_request_;
+
   // We periodically check to see if Chrome has been upgraded.
   base::RepeatingTimer<UpgradeDetectorImpl> detect_upgrade_timer_;
 
@@ -50,6 +63,9 @@ class UpgradeDetectorImpl : public UpgradeDetector {
   // True if this build is a dev or canary channel build.
   bool is_unstable_channel_;
 
+  // The date the binaries were built.
+  base::Time build_date_;
+
   DISALLOW_COPY_AND_ASSIGN(UpgradeDetectorImpl);
 };