Change the SearchBox API from using the start/end margins of the location bar to using the start ma…

chrome/browser/instant/instant_page.h

Index: chrome/browser/instant/instant_page.h
diff --git a/chrome/browser/instant/instant_page.h b/chrome/browser/instant/instant_page.h
index 22565249edd20591b8a6336da9a73c0de8997d7a..22f4eacce1c816da8353b903573d696ff27c6af7 100644
--- a/chrome/browser/instant/instant_page.h
+++ b/chrome/browser/instant/instant_page.h
@@ -121,10 +121,10 @@ class InstantPage : public content::WebContentsObserver {
   // by the omnibox dropdown.
   void SetPopupBounds(const gfx::Rect& bounds);
 
-  // Tells the page the start and end margins of the omnibox (in screen
+  // Tells the page the start margin and width of the omnibox (in screen
   // coordinates). This is used by the page to align text or assets properly
   // with the omnibox.
-  void SetMarginSize(int start, int end);
+  void SetStartMarginAndWidth(int start, int width);
 
   // Tells the page about the font information.
   void InitializeFonts();