Hook up SetInstantPreviewHeight for ChromeOS.

chrome/browser/ui/views/frame/contents_container.h

Index: chrome/browser/ui/views/frame/contents_container.h
diff --git a/chrome/browser/ui/views/frame/contents_container.h b/chrome/browser/ui/views/frame/contents_container.h
index 61a59a39ddc53da592087afbcfe6290dc4f31f4e..7fdc9c7f7c7f6eab0f74a0766ad50c296660ee62 100644
--- a/chrome/browser/ui/views/frame/contents_container.h
+++ b/chrome/browser/ui/views/frame/contents_container.h
@@ -6,6 +6,7 @@
 #define CHROME_BROWSER_UI_VIEWS_FRAME_CONTENTS_CONTAINER_H_
 
 #include "ui/views/view.h"
+#include "chrome/common/instant_types.h"

[sreeram, 2012/09/18 22:28:08]

Sort.

[Jered, 2012/09/18 22:46:24]

Done.

 
 namespace content {
 class WebContents;
@@ -45,6 +46,17 @@ class ContentsContainer : public views::View {
   void SetPreview(views::WebView* preview,
                   content::WebContents* preview_web_contents);
   views::WebView* preview() { return preview_; }
+
+  // Sets the height of the preview.
+  //
+  // The default height is 100%, and each time the preview is cleared, the
+  // default is restored.
+  //
+  // When the preview is not shown, the height has no effect. When the preview
+  // is shown, the active page is pushed down below the preview and will be
+  // visible if the preview height is less than 100%.

[sreeram, 2012/09/18 22:24:24]

Update the comment. We don't actually push the active page down.

[Jered, 2012/09/18 22:46:24]

Done.

+  void SetPreviewHeight(int height, InstantSizeUnits units);
+
   content::WebContents* preview_web_contents() const {
     return preview_web_contents_;
   }
@@ -66,10 +78,17 @@ class ContentsContainer : public views::View {
   views::WebView* preview_;
   content::WebContents* preview_web_contents_;
 
+  // Returns the current preview height, in pixels.
+  int PreviewHeightInPixels() const;
+
   // The margin between the top and the active view. This is used to make the
   // preview overlap the bookmark bar on the new tab page.
   int active_top_margin_;
 
+  // The desired height of the preview and units.
+  int preview_height_;
+  InstantSizeUnits preview_height_units_;
+
   DISALLOW_COPY_AND_ASSIGN(ContentsContainer);
 };