Hook up SetInstantPreviewHeight for ChromeOS.

chrome/browser/ui/browser_window.h

Index: chrome/browser/ui/browser_window.h
diff --git a/chrome/browser/ui/browser_window.h b/chrome/browser/ui/browser_window.h
index efa96cab66a5f9c88053005992582ec37327b7f2..cc09dee09b6e148c15456c7085c61a13b344e9a8 100644
--- a/chrome/browser/ui/browser_window.h
+++ b/chrome/browser/ui/browser_window.h
@@ -12,6 +12,7 @@
 #include "chrome/browser/ui/fullscreen/fullscreen_exit_bubble_type.h"
 #include "chrome/browser/ui/sync/one_click_signin_sync_starter.h"
 #include "chrome/common/content_settings_types.h"
+#include "chrome/common/instant_types.h"
 #include "ui/gfx/native_widget_types.h"
 #include "webkit/glue/window_open_disposition.h"
 
@@ -326,7 +327,7 @@ class BrowserWindow : public BaseWindow {
   // Invoked when instant's tab contents should be shown.
   virtual void ShowInstant(TabContents* preview) = 0;
 
-  // Invoked when the instant's tab contents should be hidden.
+  // Invoked when instant's tab contents should be hidden.
   virtual void HideInstant() = 0;
 
   // Returns the desired bounds for instant in screen coordinates. Note that if
@@ -334,6 +335,10 @@ class BrowserWindow : public BaseWindow {
   // placed at.
   virtual gfx::Rect GetInstantBounds() = 0;
 
+  // Resize the instant preview to the given |height|, interpreting the height

[sky, 2012/09/19 00:23:18]

Everything after ',' is a bit obvious. Nuke it.

[Jered, 2012/09/19 18:52:09]

Done.

+  // to be in the given |units| (see instant_types.h for details).
+  virtual void SetInstantPreviewHeight(int height, InstantSizeUnits units) = 0;
+
   // Checks if an instant's tab contents is being shown.
   virtual bool IsInstantTabShowing() = 0;