First pass at making Chrome support metro snap mode. It creates a fullscreen-alike mode that Chrome…

chrome/test/base/test_browser_window.h

Index: chrome/test/base/test_browser_window.h
diff --git a/chrome/test/base/test_browser_window.h b/chrome/test/base/test_browser_window.h
index 42f167ca174fa64aea369b4c8d74f07c7f35a8f7..b8f901e55da57f9efba6d4b323021de78782869e 100644
--- a/chrome/test/base/test_browser_window.h
+++ b/chrome/test/base/test_browser_window.h
@@ -62,6 +62,10 @@ class TestBrowserWindow : public BrowserWindow {
       const GURL& url,
       FullscreenExitBubbleType bubble_type) OVERRIDE {}
   virtual bool IsFullscreen() const OVERRIDE;
+#if defined(OS_WIN)
+  virtual void SetMetroSnapMode(bool enable) OVERRIDE {}
+  virtual bool IsInMetroSnapMode() const;
+#endif
   virtual bool IsFullscreenBubbleVisible() const OVERRIDE;
   virtual LocationBar* GetLocationBar() const OVERRIDE;
   virtual void SetFocusToLocationBar(bool select_all) OVERRIDE {}