Disable zoom-in and zoom-out buttons in toolbar menu for a crashed page.

chrome/browser/ui/browser_commands.cc

Index: chrome/browser/ui/browser_commands.cc
diff --git a/chrome/browser/ui/browser_commands.cc b/chrome/browser/ui/browser_commands.cc
index e2bd5ce56ce78e40c54b0a6a1fc5eaca0b3e44b7..5854abcde67a52ee3aace5ec1de3ba49d26bbf1a 100644
--- a/chrome/browser/ui/browser_commands.cc
+++ b/chrome/browser/ui/browser_commands.cc
@@ -577,14 +577,15 @@ void CloseTab(Browser* browser) {
 bool CanZoomIn(content::WebContents* contents) {
   ui_zoom::ZoomController* zoom_controller =
       ui_zoom::ZoomController::FromWebContents(contents);
-  return zoom_controller->GetZoomPercent() != contents->GetMaximumZoomPercent();
+  return !contents->IsCrashed() &&
+    zoom_controller->GetZoomPercent() != contents->GetMaximumZoomPercent();

[Peter Kasting, 2016/04/12 23:39:56]

Nit: Wrong indenting (2 places)

[Tom (Use chromium acct), 2016/04/14 19:19:36]

Done.

 }
 
 bool CanZoomOut(content::WebContents* contents) {
   ui_zoom::ZoomController* zoom_controller =
       ui_zoom::ZoomController::FromWebContents(contents);
-  return zoom_controller->GetZoomPercent() !=
-      contents->GetMinimumZoomPercent();
+  return !contents->IsCrashed() &&
+    zoom_controller->GetZoomPercent() != contents->GetMinimumZoomPercent();
 }
 
 bool CanResetZoom(content::WebContents* contents) {