Battery Status API: add testing support for LayoutTests.

content/shell/renderer/test_runner/test_runner.cc

Index: content/shell/renderer/test_runner/test_runner.cc
diff --git a/content/shell/renderer/test_runner/test_runner.cc b/content/shell/renderer/test_runner/test_runner.cc
index 981ca526b2d18acbc6d031353a488e3662d974f6..9e4251a44e2e1d534edee7e9dca035f4ca7a7250 100644
--- a/content/shell/renderer/test_runner/test_runner.cc
+++ b/content/shell/renderer/test_runner/test_runner.cc
@@ -19,6 +19,7 @@
 #include "gin/handle.h"
 #include "gin/object_template_builder.h"
 #include "gin/wrappable.h"
+#include "third_party/WebKit/public/platform/WebBatteryStatus.h"
 #include "third_party/WebKit/public/platform/WebCanvas.h"
 #include "third_party/WebKit/public/platform/WebData.h"
 #include "third_party/WebKit/public/platform/WebDeviceMotionData.h"
@@ -173,6 +174,8 @@ class TestRunnerBindings : public gin::Wrappable<TestRunnerBindings> {
   void SetMockDeviceMotion(gin::Arguments* args);
   void SetMockDeviceOrientation(gin::Arguments* args);
   void SetMockScreenOrientation(const std::string& orientation);
+  void DidChangeBatteryStatus(gin::Arguments* args);
+
   void DidAcquirePointerLock();
   void DidNotAcquirePointerLock();
   void DidLosePointerLock();
@@ -363,6 +366,8 @@ gin::ObjectTemplateBuilder TestRunnerBindings::GetObjectTemplateBuilder(
                  &TestRunnerBindings::SetMockDeviceOrientation)
       .SetMethod("setMockScreenOrientation",
                  &TestRunnerBindings::SetMockScreenOrientation)
+      .SetMethod("didChangeBatteryStatus",
+                 &TestRunnerBindings::DidChangeBatteryStatus)
       .SetMethod("didAcquirePointerLock",
                  &TestRunnerBindings::DidAcquirePointerLock)
       .SetMethod("didNotAcquirePointerLock",
@@ -864,6 +869,24 @@ void TestRunnerBindings::SetMockScreenOrientation(const std::string& orientation
   runner_->SetMockScreenOrientation(orientation);
 }
 
+void TestRunnerBindings::DidChangeBatteryStatus(gin::Arguments* args) {

[jochen (gone - plz use gerrit), 2014/05/28 12:08:17]

you don't need to use gin::Arguments, just use bool charging, double...., and
gin will automatically convert the arguments for you

[timvolodine, 2014/05/29 08:52:06]

that's great! done.

+  if (!runner_)
+    return;
+
+  bool charging;
+  double chargingTime;
+  double dischargingTime;
+  double level;
+
+  args->GetNext(&charging);
+  args->GetNext(&chargingTime);
+  args->GetNext(&dischargingTime);
+  args->GetNext(&level);
+
+  runner_->DidChangeBatteryStatus(charging, chargingTime,
+                                  dischargingTime, level);
+}
+
 void TestRunnerBindings::DidAcquirePointerLock() {
   if (runner_)
     runner_->DidAcquirePointerLock();
@@ -2227,6 +2250,18 @@ void TestRunner::SetMockScreenOrientation(const std::string& orientation_str) {
   delegate_->setScreenOrientation(orientation);
 }
 
+void TestRunner::DidChangeBatteryStatus(bool charging,
+                                        double chargingTime,
+                                        double dischargingTime,
+                                        double level) {
+  blink::WebBatteryStatus status;
+  status.charging = charging;
+  status.chargingTime = chargingTime;
+  status.dischargingTime = dischargingTime;
+  status.level = level;
+  delegate_->didChangeBatteryStatus(status);
+}
+
 void TestRunner::DidAcquirePointerLock() {
   DidAcquirePointerLockInternal();
 }