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

chrome/browser/ui/omnibox/omnibox_edit_model.cc

Index: chrome/browser/ui/omnibox/omnibox_edit_model.cc
diff --git a/chrome/browser/ui/omnibox/omnibox_edit_model.cc b/chrome/browser/ui/omnibox/omnibox_edit_model.cc
index 5a896518b4950c158196721bb311b55483a2f4cf..86f80f5fb7e696200f4cf35b4140c143f18d9d9c 100644
--- a/chrome/browser/ui/omnibox/omnibox_edit_model.cc
+++ b/chrome/browser/ui/omnibox/omnibox_edit_model.cc
@@ -4,9 +4,11 @@
 
 #include "chrome/browser/ui/omnibox/omnibox_edit_model.h"
 
+#include <algorithm>
 #include <string>
 
 #include "base/format_macros.h"
+#include "base/i18n/rtl.h"
 #include "base/metrics/histogram.h"
 #include "base/string_util.h"
 #include "base/stringprintf.h"
@@ -994,9 +996,21 @@ bool OmniboxEditModel::OnAfterPossibleChange(const string16& old_text,
            MaybeAcceptKeywordBySpace(user_text_));
 }
 
-void OmniboxEditModel::PopupBoundsChangedTo(const gfx::Rect& bounds) {
+void OmniboxEditModel::OnPopupBoundsChanged(const gfx::Rect& bounds) {
   if (InstantController* instant = controller_->GetInstant())
-    instant->SetOmniboxBounds(bounds);
+    instant->SetPopupBounds(bounds);
+}
+
+void OmniboxEditModel::OnOmniboxBoundsChanged(const gfx::Rect& omnibox_bounds) {
+  if (InstantController* instant = controller_->GetInstant()) {
+    const gfx::Rect container_bounds = view_->GetContainerBounds();
+    int start = omnibox_bounds.x();
+    int end = container_bounds.x() + container_bounds.width() -
+              omnibox_bounds.width() - start;
+    if (base::i18n::IsRTL())
+      std::swap(start, end);
+    instant->SetMarginSize(start, end);
+  }
 }
 
 void OmniboxEditModel::OnResultChanged(bool default_match_changed) {
@@ -1033,14 +1047,14 @@ void OmniboxEditModel::OnResultChanged(bool default_match_changed) {
   }
 
   if (popup_->IsOpen()) {
-    PopupBoundsChangedTo(popup_->view()->GetTargetBounds());
+    OnPopupBoundsChanged(popup_->view()->GetTargetBounds());
   } else if (was_open) {
     // Accepts the temporary text as the user text, because it makes little
     // sense to have temporary text when the popup is closed.
     InternalSetUserText(UserTextFromDisplayText(view_->GetText()));
     has_temporary_text_ = false;
     is_temporary_text_set_by_instant_ = false;
-    PopupBoundsChangedTo(gfx::Rect());
+    OnPopupBoundsChanged(gfx::Rect());
     NotifySearchTabHelper();
   }