Send screenshots back to the client for debugging

chrome/test/automation/automation_json_requests.h

Index: chrome/test/automation/automation_json_requests.h
diff --git a/chrome/test/automation/automation_json_requests.h b/chrome/test/automation/automation_json_requests.h
index f1a2025d2aee7e5fb096b2ef2eeb1add7565e41a..acd81b03f87b19648623b1e5161d27cf952a2cdf 100644
--- a/chrome/test/automation/automation_json_requests.h
+++ b/chrome/test/automation/automation_json_requests.h
@@ -14,6 +14,7 @@
 #include "ui/base/keycodes/keyboard_codes.h"
 
 class AutomationMessageSender;
+class FilePath;
 class GURL;
 class DictionaryValue;
 class ListValue;
@@ -100,6 +101,15 @@ bool SendReloadJSONRequest(
     int browser_index,
     int tab_index) WARN_UNUSED_RESULT;
 
+// Requests a snapshot of the entire page to be saved to the given path
+// in PNG format.
+// Returns true on success.
+bool SendCaptureEntirePageJSONRequest(
+    AutomationMessageSender* sender,
+    int browser_index,
+    int tab_index,
+    const FilePath& path) WARN_UNUSED_RESULT;
+
 // Requests the url of the specified tab. Returns true on success.
 bool SendGetTabURLJSONRequest(
     AutomationMessageSender* sender,