Add setVoiceSearchSupported to the searchbox API. This will be used to determine whether to show a …

chrome/browser/ui/search/search_model.h

Index: chrome/browser/ui/search/search_model.h
diff --git a/chrome/browser/ui/search/search_model.h b/chrome/browser/ui/search/search_model.h
index 3f77b87c17383018f30bb64433abb9607f5d3ed1..5510c240a0af7f3083386246445ac04ca83d0677 100644
--- a/chrome/browser/ui/search/search_model.h
+++ b/chrome/browser/ui/search/search_model.h
@@ -16,20 +16,21 @@ class SearchModelObserver;
 class SearchModel {
  public:
   struct State {
-    State() : top_bars_visible(true) {}
-    State(const SearchMode& mode, bool top_bars_visible)
-        : mode(mode),
-          top_bars_visible(top_bars_visible) {}
+    State();
+    State(const SearchMode& mode,
+          bool top_bars_visible,
+          bool voice_search_supported);
 
-    bool operator==(const State& rhs) const {
-      return mode == rhs.mode && top_bars_visible == rhs.top_bars_visible;
-    }
+    bool operator==(const State& rhs) const;
 
     // The display mode of UI elements such as the toolbar, the tab strip, etc.
     SearchMode mode;
 
     // The visibility of top bars such as bookmark and info bars.
     bool top_bars_visible;
+
+    // Whether the page supports voice search.
+    bool voice_search_supported;
   };
 
   SearchModel();
@@ -55,6 +56,13 @@ class SearchModel {
   // Set visibility of top bars.  Change notifications are sent to observers.
   void SetTopBarsVisible(bool visible);
 
+  // Sets the page voice search support state.  Change notifications are sent to
+  // observers.
+  void SetVoiceSearchSupported(bool supported);
+
+  // Gets the voice search support state of the page.
+  bool voice_search_supported() const { return state_.voice_search_supported; }
+
   // Get the visibility of top bars.
   bool top_bars_visible() const { return state_.top_bars_visible; }