[DevTools] Move screen orientation override to RenderWidgetScreenMetricsEmulator.

content/browser/devtools/protocol/emulation_handler.cc

Index: content/browser/devtools/protocol/emulation_handler.cc
diff --git a/content/browser/devtools/protocol/emulation_handler.cc b/content/browser/devtools/protocol/emulation_handler.cc
index f5945d713214f6604c2bf9640739f85847f7d62b..6b124e37131dc66c0de5ec67f551117388bf4e4f 100644
--- a/content/browser/devtools/protocol/emulation_handler.cc
+++ b/content/browser/devtools/protocol/emulation_handler.cc
@@ -23,6 +23,19 @@ using Response = DevToolsProtocolClient::Response;
 
 namespace {
 
+blink::WebScreenOrientationType WebScreenOrientationTypeFromString(
+    const std::string& type) {
+  if (type == screen_orientation::kTypePortraitPrimary)
+    return blink::WebScreenOrientationPortraitPrimary;
+  if (type == screen_orientation::kTypePortraitSecondary)
+    return blink::WebScreenOrientationPortraitSecondary;
+  if (type == screen_orientation::kTypeLandscapePrimary)
+    return blink::WebScreenOrientationLandscapePrimary;
+  if (type == screen_orientation::kTypeLandscapeSecondary)
+    return blink::WebScreenOrientationLandscapeSecondary;
+  return blink::WebScreenOrientationUndefined;
+}
+
 ui::GestureProviderConfigType TouchEmulationConfigurationToType(
     const std::string& protocol_value) {
   ui::GestureProviderConfigType result =
@@ -132,9 +145,11 @@ Response EmulationHandler::SetDeviceMetricsOverride(
     const int* screen_width,
     const int* screen_height,
     const int* position_x,
-    const int* position_y) {
+    const int* position_y,
+    const scoped_ptr<base::DictionaryValue>& screen_orientation) {
   const static int max_size = 10000000;
   const static double max_scale = 10;
+  const static int max_orientation_angle = 360;
 
   if (!host_)
     return Response::InternalError("Could not connect to view");
@@ -168,6 +183,30 @@ Response EmulationHandler::SetDeviceMetricsOverride(
         base::DoubleToString(max_scale));
   }
 
+  blink::WebScreenOrientationType orientationType =
+      blink::WebScreenOrientationUndefined;
+  int orientationAngle = 0;
+  if (screen_orientation) {
+    std::string orientationTypeString;
+    if (!screen_orientation->GetString("type", &orientationTypeString)) {
+      return Response::InvalidParams(
+          "Screen orientation type must be a string");
+    }
+    orientationType = WebScreenOrientationTypeFromString(orientationTypeString);
+    if (orientationType == blink::WebScreenOrientationUndefined)
+      return Response::InvalidParams("Invalid screen orientation type value");
+
+    if (!screen_orientation->GetInteger("angle", &orientationAngle)) {
+      return Response::InvalidParams(
+          "Screen orientation angle must be a number");
+    }
+    if (orientationAngle < 0 || orientationAngle >= max_orientation_angle) {
+      return Response::InvalidParams(
+          "Screen orientation angle must be non-negative, less than " +
+          base::IntToString(max_orientation_angle));
+    }
+  }
+
   blink::WebDeviceEmulationParams params;
   params.screenPosition = mobile ? blink::WebDeviceEmulationParams::Mobile :
       blink::WebDeviceEmulationParams::Desktop;
@@ -182,6 +221,8 @@ Response EmulationHandler::SetDeviceMetricsOverride(
   params.offset = blink::WebFloatPoint(
       optional_offset_x ? *optional_offset_x : 0.f,
       optional_offset_y ? *optional_offset_y : 0.f);
+  params.screenOrientationType = orientationType;
+  params.screenOrientationAngle = orientationAngle;
 
   if (device_emulation_enabled_ && params == device_emulation_params_)
     return Response::OK();