Refactor chromedriver's script execution to reduce amount of custom Value parsing.

chrome/test/webdriver/commands/mouse_commands.cc

Index: chrome/test/webdriver/commands/mouse_commands.cc
diff --git a/chrome/test/webdriver/commands/mouse_commands.cc b/chrome/test/webdriver/commands/mouse_commands.cc
index 0a8724d66b993acdf6d084ac9b900fb85e52ec5c..d00cdfe8aecdf501a5c6b77a193a3fe5c4a23a29 100644
--- a/chrome/test/webdriver/commands/mouse_commands.cc
+++ b/chrome/test/webdriver/commands/mouse_commands.cc
@@ -9,9 +9,8 @@
 #include "chrome/test/webdriver/commands/response.h"
 #include "chrome/test/webdriver/session.h"
 #include "chrome/test/webdriver/web_element_id.h"
+#include "chrome/test/webdriver/webdriver_basic_types.h"
 #include "chrome/test/webdriver/webdriver_error.h"
-#include "ui/gfx/point.h"
-#include "ui/gfx/size.h"
 
 namespace {
 
@@ -46,7 +45,7 @@ void MoveAndClickCommand::ExecutePost(Response* response) {
   if (tag_name == "option") {
     error = session_->SelectOptionElement(session_->current_target(), element);
   } else {
-    gfx::Point location;
+    Point location;
     error = session_->GetClickableLocation(element, &location);
     if (!error)
       error = session_->MouseMoveAndClick(location, automation::kLeftButton);
@@ -69,7 +68,7 @@ bool HoverCommand::DoesPost() {
 
 void HoverCommand::ExecutePost(Response* response) {
   Error* error = NULL;
-  gfx::Point location;
+  Point location;
   error = session_->GetClickableLocation(element, &location);
   if (!error)
     error = session_->MouseMove(location);
@@ -104,14 +103,14 @@ bool DragCommand::DoesPost() {
 
 void DragCommand::ExecutePost(Response* response) {
   Error* error = NULL;
-  gfx::Point drag_from;
+  Point drag_from;
   error = session_->GetClickableLocation(element, &drag_from);
   if (error) {
     response->SetError(error);
     return;
   }
 
-  gfx::Point drag_to(drag_from);
+  Point drag_to(drag_from);
   drag_to.Offset(drag_x_, drag_y_);
   if (drag_to.x() < 0 || drag_to.y() < 0)
     error = new Error(kBadRequest, "Invalid (x,y) coordinates");
@@ -167,7 +166,7 @@ bool MoveToCommand::Init(Response* const response) {
 }
 
 void MoveToCommand::ExecutePost(Response* const response) {
-  gfx::Point location;
+  Point location;
   Error* error;
 
   if (has_element_) {
@@ -189,7 +188,7 @@ void MoveToCommand::ExecutePost(Response* const response) {
     DCHECK(has_element_);
 
     // If not, calculate the half of the element size and translate by it.
-    gfx::Size size;
+    Size size;
     error = session_->GetElementSize(session_->current_target(),
                                      element_, &size);
     if (error) {