[ChromeDriver] Key type actions for the actions API

This CL contains the key type actions. Follow up CLs for tests and
pointer/pause actions

spec: https://w3c.github.io/webdriver/webdriver-spec.html#actions

Bug: chromedriver:1897
Change-Id: I135df58d97a45494e51a5ac09dfce021f7d094d3
Reviewed-on: https://chromium-review.googlesource.com/692599
Commit-Queue: Jonathon Kereliuk <kereliuk@chromium.org>
Reviewed-by: John Chen <johnchen@chromium.org>
Cr-Commit-Position: refs/heads/master@{#508958}

chrome/test/chromedriver/chrome/status.cc

@@ -32,6 +32,8 @@ const char* DefaultMessageForStatusCode(StatusCode code) {
       return "unknown error";
     case kInvalidArgument:
       return "invalid argument";
+    case kMoveTargetOutOfBounds:
+      return "move target out of bounds";
     case kElementNotInteractable:
       return "element not interactable";
     case kUnsupportedOperation:

chrome/test/chromedriver/chrome/status.h

@@ -22,6 +22,7 @@ enum StatusCode {
   kElementNotInteractable = 15,
   kUnsupportedOperation = 16,
   kJavaScriptError = 17,
+  kMoveTargetOutOfBounds = 18,
   kXPathLookupError = 19,
   kUnableToSetCookie = 20,
   kTimeout = 21,

chrome/test/chromedriver/server/http_handler.cc

@@ -493,9 +493,9 @@ HttpHandler::HttpHandler(
       CommandMapping(kGet, "session/:sessionId/log/types",
                      WrapToCommand("GetLogTypes",
                                    base::Bind(&ExecuteGetAvailableLogTypes))),
-      CommandMapping(kPost, "session/:sessionId/actions",
-                     WrapToCommand("PerformActions",
-                                   base::Bind(&ExecuteUnimplementedCommand))),
+      CommandMapping(
+          kPost, "session/:sessionId/actions",
+          WrapToCommand("PerformActions", base::Bind(&ExecutePerformActions))),
       CommandMapping(kDelete, "session/:sessionId/actions",
                      WrapToCommand("DeleteActions",
                                    base::Bind(&ExecuteUnimplementedCommand))),
@@ -724,6 +724,10 @@ HttpHandler::PrepareStandardResponse(
     case kJavaScriptError:
       response.reset(new net::HttpServerResponseInfo(net::HTTP_BAD_REQUEST));
       break;
+    case kMoveTargetOutOfBounds:
+      response.reset(
+          new net::HttpServerResponseInfo(net::HTTP_INTERNAL_SERVER_ERROR));
+      break;
     case kNoSuchCookie:
       response.reset(new net::HttpServerResponseInfo(net::HTTP_NOT_FOUND));
       break;

chrome/test/chromedriver/session.h

@@ -11,6 +11,7 @@
 #include <vector>
 
 #include "base/time/time.h"
+#include "base/values.h"
 #include "chrome/test/chromedriver/basic_types.h"
 #include "chrome/test/chromedriver/chrome/device_metrics.h"
 #include "chrome/test/chromedriver/chrome/geoposition.h"
@@ -68,6 +69,12 @@ struct Session {
   std::unique_ptr<Chrome> chrome;
   std::string window;
   int sticky_modifiers;
+  // List of input sources for each active input. Everytime a new input source
+  // is added, there must be a corresponding entry made in input_state_table.
+  std::unique_ptr<base::ListValue> active_input_sources;
+  // Map between input id and input source state for the corresponding input
+  // source. One entry for each item in active_input_sources
+  std::unique_ptr<base::DictionaryValue> input_state_table;
   // List of |FrameInfo|s for each frame to the current target frame from the
   // first frame element in the root document. If target frame is window.top,
   // this list will be empty.