Preliminary metro snap plumbing.

chrome/browser/ui/browser.cc

Index: chrome/browser/ui/browser.cc
diff --git a/chrome/browser/ui/browser.cc b/chrome/browser/ui/browser.cc
index fe4253c7aa2466f803131f0d7530bb64a33d7ea8..4efecb2ec24d48a48e7ec82299d25a6b67ed9038 100644
--- a/chrome/browser/ui/browser.cc
+++ b/chrome/browser/ui/browser.cc
@@ -192,6 +192,7 @@
 #include "webkit/plugins/webplugininfo.h"
 
 #if defined(OS_WIN)
+#include "base/win/metro.h"
 #include "chrome/browser/autofill/autofill_ie_toolbar_import_win.h"
 #include "chrome/browser/shell_integration.h"
 #include "chrome/browser/ssl/ssl_error_info.h"
@@ -1515,6 +1516,12 @@ void Browser::ToggleFullscreenModeWithExtension(const GURL& extension_url) {
   fullscreen_controller_->ToggleFullscreenModeWithExtension(extension_url);
 }
 
+#if defined(OS_WIN)
+void Browser::ToggleMetroSnapMode(bool enable) {

[sky, 2012/06/11 17:04:31]

Move to browser_win.

[robertshield, 2012/06/11 21:06:57]

Done.

+  fullscreen_controller_->ToggleMetroSnapMode(enable);
+}
+#endif
+
 #if defined(OS_MACOSX)
 void Browser::TogglePresentationMode() {
   fullscreen_controller_->TogglePresentationMode();
@@ -2488,9 +2495,13 @@ void Browser::ExecuteCommandWithDisposition(
     case IDC_RESTORE_TAB:           RestoreTab();                     break;
     case IDC_COPY_URL:              WriteCurrentURLToClipboard();     break;
     case IDC_SHOW_AS_TAB:           ConvertPopupToTabbedBrowser();    break;
-    case IDC_FULLSCREEN:            ToggleFullscreenMode();      break;
+    case IDC_FULLSCREEN:            ToggleFullscreenMode();           break;
+#if defined(OS_WIN)
+    case IDC_METRO_SNAP_ENABLE:     ToggleMetroSnapMode(true);        break;
+    case IDC_METRO_SNAP_DISABLE:    ToggleMetroSnapMode(false);       break;
+#endif
 #if defined(OS_MACOSX)
-    case IDC_PRESENTATION_MODE:     TogglePresentationMode();    break;
+    case IDC_PRESENTATION_MODE:     TogglePresentationMode();         break;
 #endif
     case IDC_EXIT:                  Exit();                           break;
 
@@ -4145,6 +4156,11 @@ void Browser::InitCommandState() {
   command_updater_.UpdateCommandEnabled(IDC_SELECT_TAB_6, normal_window);
   command_updater_.UpdateCommandEnabled(IDC_SELECT_TAB_7, normal_window);
   command_updater_.UpdateCommandEnabled(IDC_SELECT_LAST_TAB, normal_window);
+#if defined(OS_WIN)
+  const bool metro_mode = (base::win::GetMetroModule() != NULL);
+  command_updater_.UpdateCommandEnabled(IDC_METRO_SNAP_ENABLE, metro_mode);
+  command_updater_.UpdateCommandEnabled(IDC_METRO_SNAP_DISABLE, metro_mode);
+#endif
 #if defined(OS_MACOSX)
   command_updater_.UpdateCommandEnabled(IDC_TABPOSE, normal_window);
   command_updater_.UpdateCommandEnabled(IDC_PRESENTATION_MODE,