[chromedriver] Add page loading strategy to capabilities

chrome/test/chromedriver/capabilities.cc

Index: chrome/test/chromedriver/capabilities.cc
diff --git a/chrome/test/chromedriver/capabilities.cc b/chrome/test/chromedriver/capabilities.cc
index 820cf7d4d4a0ffc9562e84d7414ae43381216c03..5ad8a490c6639ba1259a3f1127028ed953c3d5ae 100644
--- a/chrome/test/chromedriver/capabilities.cc
+++ b/chrome/test/chromedriver/capabilities.cc
@@ -20,6 +20,7 @@
 #include "base/values.h"
 #include "build/build_config.h"
 #include "chrome/test/chromedriver/chrome/mobile_device.h"
+#include "chrome/test/chromedriver/chrome/page_load_strategy.h"
 #include "chrome/test/chromedriver/chrome/status.h"
 #include "chrome/test/chromedriver/logging.h"
 
@@ -179,6 +180,16 @@ Status ParseMobileEmulation(const base::Value& option,
   return Status(kOk);
 }
 
+Status ParsePageLoadStrategy(const base::Value& option,
+                             Capabilities* capabilities) {
+  if (!option.GetAsString(&capabilities->page_load_strategy))
+    return Status(kUnknownError, "must be a string");
+  if (capabilities->page_load_strategy == PageLoadStrategy::kNormal ||
+      capabilities->page_load_strategy == PageLoadStrategy::kNone)
+    return Status(kOk);
+  return Status(kUnknownError, "page load strategy unsupported");
+}
+
 Status ParseSwitches(const base::Value& option,
                      Capabilities* capabilities) {
   const base::ListValue* switches_list = NULL;
@@ -587,6 +598,7 @@ Capabilities::Capabilities()
     : android_use_running_app(false),
       detach(false),
       force_devtools_screenshot(false),
+      page_load_strategy(PageLoadStrategy::kNormal),
       network_emulation_enabled(false) {}
 
 Capabilities::~Capabilities() {}
@@ -604,6 +616,7 @@ Status Capabilities::Parse(const base::DictionaryValue& desired_caps) {
   parser_map["chromeOptions"] = base::Bind(&ParseChromeOptions);
   parser_map["loggingPrefs"] = base::Bind(&ParseLoggingPrefs);
   parser_map["proxy"] = base::Bind(&ParseProxy);
+  parser_map["pageLoadStrategy"] = base::Bind(&ParsePageLoadStrategy);
   // Network emulation requires device mode, which is only enabled when
   // mobile emulation is on.
   if (desired_caps.GetDictionary("chromeOptions.mobileEmulation", nullptr)) {