Allow chromedriver to install an extension and get all installed extension IDs.

chrome/test/automation/automation_json_requests.cc

Index: chrome/test/automation/automation_json_requests.cc
diff --git a/chrome/test/automation/automation_json_requests.cc b/chrome/test/automation/automation_json_requests.cc
index 76e8d2d61ac14286df39f62406af7cc1091edbeb..c31127b6b28de0e31be2db91df362eb8bc76243f 100644
--- a/chrome/test/automation/automation_json_requests.cc
+++ b/chrome/test/automation/automation_json_requests.cc
@@ -18,6 +18,9 @@
 #include "chrome/common/automation_messages.h"
 #include "chrome/test/automation/automation_proxy.h"
 
+using base::DictionaryValue;
+using base::ListValue;
+
 namespace {
 
 bool SendAutomationJSONRequest(AutomationMessageSender* sender,
@@ -609,3 +612,39 @@ bool SendGetChromeDriverAutomationVersion(
     return false;
   return reply_dict.GetInteger("version", version);
 }
+
+bool SendGetExtensionsInfoJSONRequest(
+    AutomationMessageSender* sender,
+    ListValue* extensions_list,
+    std::string* error_msg) {
+  DictionaryValue dict;
+  dict.SetString("command", "GetExtensionsInfo");
+  DictionaryValue reply_dict;
+  if (!SendAutomationJSONRequest(sender, dict, &reply_dict, error_msg))
+    return false;
+  ListValue* extensions_list_swap;
+  if (!reply_dict.GetList("extensions", &extensions_list_swap)) {
+    *error_msg = "Missing or invalid 'extensions'";
+    return false;
+  }
+  extensions_list->Swap(extensions_list_swap);
+  return true;
+}
+
+bool SendInstallExtensionJSONRequest(
+    AutomationMessageSender* sender,
+    const FilePath& path,
+    std::string* extension_id,
+    std::string* error_msg) {
+  DictionaryValue dict;
+  dict.SetString("command", "InstallExtension");
+  dict.SetString("path", path.value());
+  DictionaryValue reply_dict;
+  if (!SendAutomationJSONRequest(sender, dict, &reply_dict, error_msg))
+    return false;
+  if (!reply_dict.GetString("id", extension_id)) {
+    *error_msg = "Missing or invalid 'id'";
+    return false;
+  }
+  return true;
+}