5 files changed, 53 insertions, 0 deletions
diff --git a/chrome/browser/prefs/browser_prefs.cc b/chrome/browser/prefs/browser_prefs.cc
index 17c93f9..be9fcdb 100644
--- a/chrome/browser/prefs/browser_prefs.cc
+++ b/chrome/browser/prefs/browser_prefs.cc
@@ -76,6 +76,7 @@
 #if defined(OS_MACOSX)
 #include "chrome/browser/ui/cocoa/confirm_quit.h"
 #include "chrome/browser/ui/cocoa/presentation_mode_prefs.h"
+#include "chrome/browser/ui/startup/obsolete_os_prompt.h"
 #endif
 
 #if defined(TOOLKIT_VIEWS)
@@ -173,6 +174,7 @@ void RegisterLocalState(PrefService* local_state) {
 #endif
 
 #if defined(OS_MACOSX)
+  browser::RegisterObsoleteOSInfobarPrefs(local_state);
   confirm_quit::RegisterLocalState(local_state);
 #endif
 }
diff --git a/chrome/browser/ui/startup/obsolete_os_prompt.h b/chrome/browser/ui/startup/obsolete_os_prompt.h
index fd5e7cf..ce62a20 100644
--- a/chrome/browser/ui/startup/obsolete_os_prompt.h
+++ b/chrome/browser/ui/startup/obsolete_os_prompt.h
@@ -6,10 +6,19 @@
 #define CHROME_BROWSER_UI_STARTUP_OBSOLETE_OS_PROMPT_H_
 #pragma once
 
+#include "build/build_config.h"
+
 class Browser;
+class PrefService;
 
 namespace browser {
 
+#if defined(OS_MACOSX)
+// Registers the Mac-specific preference about when to show obsolete OS
+// prompts.
+void RegisterObsoleteOSInfobarPrefs(PrefService* local_state);
+#endif
+
 // Shows a warning notification in |browser| that the app is being run on an
 // unsupported operating system.
 void ShowObsoleteOSPrompt(Browser* browser);
diff --git a/chrome/browser/ui/startup/obsolete_os_prompt_mac.cc b/chrome/browser/ui/startup/obsolete_os_prompt_mac.cc
index dc813b1..d0c185c 100644
--- a/chrome/browser/ui/startup/obsolete_os_prompt_mac.cc
+++ b/chrome/browser/ui/startup/obsolete_os_prompt_mac.cc
@@ -5,10 +5,14 @@
 #include "chrome/browser/ui/startup/obsolete_os_prompt.h"
 
 #include "base/mac/mac_util.h"
+#include "base/time.h"
+#include "chrome/browser/browser_process.h"
 #include "chrome/browser/infobars/infobar_tab_helper.h"
+#include "chrome/browser/prefs/pref_service.h"
 #include "chrome/browser/ui/browser.h"
 #include "chrome/browser/ui/startup/obsolete_os_info_bar.h"
 #include "chrome/browser/ui/tab_contents/tab_contents.h"
+#include "chrome/common/pref_names.h"
 #include "grit/chromium_strings.h"
 #include "grit/generated_resources.h"
 #include "ui/base/l10n/l10n_util.h"
@@ -23,10 +27,34 @@ const char kMacLeopardDeprecationUrl[] =
 
 namespace browser {
 
+void RegisterObsoleteOSInfobarPrefs(PrefService* local_state) {
+  local_state->RegisterDoublePref(
+      prefs::kMacLeopardObsoleteInfobarLastShown,
+      0,
+      PrefService::UNSYNCABLE_PREF);
+}
+
 void ShowObsoleteOSPrompt(Browser* browser) {
   if (!base::mac::IsOSLeopard())
     return;
 
+  PrefService* local_state = g_browser_process->local_state();
+  if (!local_state)
+    return;
+
+  // Only show the infobar if the user has not been shown it for more than a
+  // week.
+  base::Time time_now(base::Time::Now());
+  if (local_state->HasPrefPath(prefs::kMacLeopardObsoleteInfobarLastShown)) {
+    double time_double =
+        local_state->GetDouble(prefs::kMacLeopardObsoleteInfobarLastShown);
+    base::Time last_shown(base::Time::FromDoubleT(time_double));
+
+    base::TimeDelta a_week(base::TimeDelta::FromDays(7));
+    if (last_shown >= time_now - a_week)
+      return;
+  }
+
   TabContents* tab = browser->GetActiveTabContents();
   if (!tab)
     return;
@@ -36,6 +64,9 @@ void ShowObsoleteOSPrompt(Browser* browser) {
           l10n_util::GetStringFUTF16(IDS_MAC_10_5_LEOPARD_DEPRECATED,
               l10n_util::GetStringUTF16(IDS_PRODUCT_NAME)),
           GURL(kMacLeopardDeprecationUrl)));
+
+  local_state->SetDouble(prefs::kMacLeopardObsoleteInfobarLastShown,
+      time_now.ToDoubleT());
 }
 
 }  // namespace browser
diff --git a/chrome/common/pref_names.cc b/chrome/common/pref_names.cc
index 32a2837..cf08d3c 100644
--- a/chrome/common/pref_names.cc
+++ b/chrome/common/pref_names.cc
@@ -1939,4 +1939,11 @@ const char kNetworkProfileWarningsLeft[] = "network_profile.warnings_left";
 // |network_profile.warnings_left| after a silence period.
 const char kNetworkProfileLastWarningTime[] =
     "network_profile.last_warning_time";
+
+#if defined(OS_MACOSX)
+// A timestamp of when the obsolete OS infobar was last shown to a user on 10.5.
+const char kMacLeopardObsoleteInfobarLastShown[] =
+    "mac_105_obsolete_infobar_last_shown";
+#endif  // defined(OS_MACOSX)
+
 }  // namespace prefs
diff --git a/chrome/common/pref_names.h b/chrome/common/pref_names.h
index fd10825..15b2e04 100644
--- a/chrome/common/pref_names.h
+++ b/chrome/common/pref_names.h
@@ -731,6 +731,10 @@ extern const char kInManagedMode[];
 extern const char kNetworkProfileWarningsLeft[];
 extern const char kNetworkProfileLastWarningTime[];
 
+#if defined(OS_MACOSX)
+extern const char kMacLeopardObsoleteInfobarLastShown[];
+#endif  // defined(OS_MACOSX)
+
 }  // namespace prefs
 
 #endif  // CHROME_COMMON_PREF_NAMES_H_