Ship and experiment with the Budget API

third_party/WebKit/Source/bindings/modules/v8/ConditionalFeaturesForModules.cpp

 // Copyright 2016 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "bindings/modules/v8/ConditionalFeaturesForModules.h"
 
 #include "bindings/core/v8/ConditionalFeaturesForCore.h"
 #include "bindings/core/v8/V8DedicatedWorkerGlobalScope.h"
 #include "bindings/core/v8/V8Navigator.h"
 #include "bindings/core/v8/V8SharedWorkerGlobalScope.h"
 #include "bindings/core/v8/V8Window.h"
 #include "bindings/core/v8/V8WorkerNavigator.h"
+#include "bindings/modules/v8/V8BudgetService.h"
 #include "bindings/modules/v8/V8DedicatedWorkerGlobalScopePartial.h"
 #include "bindings/modules/v8/V8Gamepad.h"
 #include "bindings/modules/v8/V8GamepadButton.h"
 #include "bindings/modules/v8/V8InstallEvent.h"
 #include "bindings/modules/v8/V8NavigatorPartial.h"
 #include "bindings/modules/v8/V8ServiceWorkerGlobalScope.h"
 #include "bindings/modules/v8/V8SharedWorkerGlobalScopePartial.h"
 #include "bindings/modules/v8/V8WindowPartial.h"
 #include "bindings/modules/v8/V8WorkerNavigatorPartial.h"
 #include "core/dom/ExecutionContext.h"
@@ skipping 56 matching lines @@
                                      prototype_object, interface_object);
     }
     if (OriginTrials::webVREnabled(execution_context)) {
       V8WindowPartial::installWebVR(isolate, world, instance_object,
                                     prototype_object, interface_object);
     }
     if (OriginTrials::gamepadExtensionsEnabled(execution_context)) {
       V8WindowPartial::installGamepadExtensions(
           isolate, world, instance_object, prototype_object, interface_object);
     }
+    if (OriginTrials::budgetQueryEnabled(execution_context)) {
+      V8WindowPartial::installBudgetQuery(isolate, world, instance_object,
+                                          prototype_object, interface_object);
+    }
+  } else if (wrapper_type_info ==
+             &V8DedicatedWorkerGlobalScope::wrapperTypeInfo) {
+    v8::Local<v8::Object> instance_object =
+        script_state->GetContext()->Global();
+    if (OriginTrials::budgetQueryEnabled(execution_context)) {
+      V8DedicatedWorkerGlobalScopePartial::installBudgetQuery(
+          isolate, world, instance_object, prototype_object, interface_object);
+    }
+  } else if (wrapper_type_info == &V8SharedWorkerGlobalScope::wrapperTypeInfo) {
+    v8::Local<v8::Object> instance_object =
+        script_state->GetContext()->Global();
+    if (OriginTrials::budgetQueryEnabled(execution_context)) {
+      V8SharedWorkerGlobalScopePartial::installBudgetQuery(
+          isolate, world, instance_object, prototype_object, interface_object);
+    }
   } else if (wrapper_type_info ==
              &V8ServiceWorkerGlobalScope::wrapperTypeInfo) {
     v8::Local<v8::Object> instance_object =
         script_state->GetContext()->Global();
     if (OriginTrials::foreignFetchEnabled(execution_context)) {
       V8ServiceWorkerGlobalScope::installForeignFetch(
           isolate, world, instance_object, prototype_object, interface_object);
     }
+    if (OriginTrials::budgetQueryEnabled(execution_context)) {
+      V8ServiceWorkerGlobalScope::installBudgetQuery(
+          isolate, world, instance_object, prototype_object, interface_object);
+    }
   } else if (wrapper_type_info == &V8InstallEvent::wrapperTypeInfo) {
     if (OriginTrials::foreignFetchEnabled(execution_context)) {
       V8InstallEvent::installForeignFetch(isolate, world,
                                           v8::Local<v8::Object>(),
                                           prototype_object, interface_object);
     }
+  } else if (wrapper_type_info == &V8BudgetService::wrapperTypeInfo) {
+    if (OriginTrials::budgetQueryEnabled(execution_context)) {
+      V8BudgetService::installBudgetQuery(isolate, world,
+                                          v8::Local<v8::Object>(),
+                                          prototype_object, interface_object);
+    }
   } else if (wrapper_type_info == &V8Gamepad::wrapperTypeInfo) {
     if (OriginTrials::gamepadExtensionsEnabled(execution_context)) {
       V8Gamepad::installGamepadExtensions(isolate, world,
                                           v8::Local<v8::Object>(),
                                           prototype_object, interface_object);
     }
   } else if (wrapper_type_info == &V8GamepadButton::wrapperTypeInfo) {
     if (OriginTrials::gamepadExtensionsEnabled(execution_context)) {
       V8GamepadButton::installGamepadExtensions(
           isolate, world, v8::Local<v8::Object>(), prototype_object,
@@ skipping 82 matching lines @@
           interface_object);
     }
     if (context_data->GetExistingConstructorAndPrototypeForType(
             &V8Navigator::wrapperTypeInfo, &prototype_object,
             &interface_object)) {
       V8NavigatorPartial::installWebVR(isolate, world, v8::Local<v8::Object>(),
                                        prototype_object, interface_object);
     }
     return;
   }
+  if (feature == "BudgetQuery") {
+    global_instance_object = script_state->GetContext()->Global();
+
+    ExecutionContext* execution_context = ExecutionContext::From(script_state);
+    if (execution_context->IsDocument()) {
+      V8WindowPartial::installBudgetQuery(
+          isolate, world, global_instance_object, v8::Local<v8::Object>(),
+          v8::Local<v8::Function>());
+    } else if (execution_context->IsDedicatedWorkerGlobalScope()) {
+      V8DedicatedWorkerGlobalScopePartial::installBudgetQuery(
+          isolate, world, global_instance_object, v8::Local<v8::Object>(),
+          v8::Local<v8::Function>());
+    } else if (execution_context->IsSharedWorkerGlobalScope()) {
+      V8SharedWorkerGlobalScopePartial::installBudgetQuery(
+          isolate, world, global_instance_object, v8::Local<v8::Object>(),
+          v8::Local<v8::Function>());
+    } else if (execution_context->IsServiceWorkerGlobalScope()) {
+      V8ServiceWorkerGlobalScope::installBudgetQuery(
+          isolate, world, global_instance_object, v8::Local<v8::Object>(),
+          v8::Local<v8::Function>());
+    }
+
+    if (context_data->GetExistingConstructorAndPrototypeForType(
+            &V8BudgetService::wrapperTypeInfo, &prototype_object,
+            &interface_object)) {
+      V8BudgetService::installBudgetQuery(isolate, world,
+                                          v8::Local<v8::Object>(),
+                                          prototype_object, interface_object);
+    }
+    return;
+  }
 }
 
 void RegisterInstallConditionalFeaturesForModules() {
   RegisterInstallConditionalFeaturesForCore();
   g_original_install_conditional_features_function =
       SetInstallConditionalFeaturesFunction(
           &InstallConditionalFeaturesForModules);
   g_original_install_pending_conditional_feature_function =
       SetInstallPendingConditionalFeatureFunction(
           &InstallPendingConditionalFeatureForModules);
 }
 
 }  // namespace blink