Implement the Instant extended API startMargin, endMargin, and rtl properties and the onmarginchang…

chrome/browser/instant/instant_client.h

Index: chrome/browser/instant/instant_client.h
diff --git a/chrome/browser/instant/instant_client.h b/chrome/browser/instant/instant_client.h
index 1c213ad7d06788aeba7d2e0ccc08db3f5fbf1e3f..bca07dfdd60ae5736dc6cf6ad358b8f5979ac722 100644
--- a/chrome/browser/instant/instant_client.h
+++ b/chrome/browser/instant/instant_client.h
@@ -81,7 +81,10 @@ class InstantClient : public content::WebContentsObserver {
   // Tells the page the bounds of the omnibox dropdown (in screen coordinates).
   // This is used by the page to offset the results to avoid them being covered
   // by the omnibox dropdown.
-  void SetOmniboxBounds(const gfx::Rect& bounds);
+  void SetPopupBounds(const gfx::Rect& bounds);
+
+  // Tells the preview page what size start and end margins to use.

[sreeram, 2012/12/05 00:14:46]

Nit: preview page -> page

[melevin, 2012/12/06 23:13:00]

Done.

+  void SetMarginSize(const int start, const int end);
 
   // Tells the renderer to determine if the page supports the Instant API, which
   // results in a call to InstantSupportDetermined() when the reply is received.