Convert device_sensors to use mojo.

content/renderer/device_sensors/device_motion_event_pump_unittest.cc

Index: content/renderer/device_sensors/device_motion_event_pump_unittest.cc
diff --git a/content/renderer/device_sensors/device_motion_event_pump_unittest.cc b/content/renderer/device_sensors/device_motion_event_pump_unittest.cc
index bdba6c1688af91306375e5f4e0163d41d8c3985d..2662e5ae30a0a13d6cdb41462d4a0cdc16ed6d74 100644
--- a/content/renderer/device_sensors/device_motion_event_pump_unittest.cc
+++ b/content/renderer/device_sensors/device_motion_event_pump_unittest.cc
@@ -15,6 +15,7 @@
 #include "base/threading/thread_task_runner_handle.h"
 #include "content/common/device_sensors/device_motion_hardware_buffer.h"
 #include "content/public/test/test_utils.h"
+#include "mojo/public/cpp/system/buffer.h"
 #include "testing/gtest/include/gtest/gtest.h"
 #include "third_party/WebKit/public/platform/modules/device_orientation/WebDeviceMotionListener.h"
 
@@ -66,8 +67,8 @@ class DeviceMotionEventPumpForTesting : public DeviceMotionEventPump {
 
   int pump_delay_microseconds() const { return pump_delay_microseconds_; }
 
-  void OnDidStart(base::SharedMemoryHandle renderer_handle) {
-    DeviceMotionEventPump::OnDidStart(renderer_handle);
+  void DidStart(mojo::ScopedSharedBufferHandle renderer_handle) {
+    DeviceMotionEventPump::DidStart(std::move(renderer_handle));
   }
   void SendStartMessage() override {}
   void SendStopMessage() override {}
@@ -100,8 +101,6 @@ class DeviceMotionEventPumpTest : public testing::Test {
     buffer_ = static_cast<DeviceMotionHardwareBuffer*>(shared_memory_.memory());
     ASSERT_NE(null_buffer, buffer_);
     memset(buffer_, 0, sizeof(DeviceMotionHardwareBuffer));
-    ASSERT_TRUE(shared_memory_.ShareToProcess(base::GetCurrentProcessHandle(),
-        &handle_));
   }
 
   void InitBuffer(bool allAvailableSensorsActive) {
@@ -117,12 +116,15 @@ class DeviceMotionEventPumpTest : public testing::Test {
 
   MockDeviceMotionListener* listener() { return listener_.get(); }
   DeviceMotionEventPumpForTesting* motion_pump() { return motion_pump_.get(); }
-  base::SharedMemoryHandle handle() { return handle_; }
+  mojo::ScopedSharedBufferHandle handle() {
+    return mojo::WrapSharedMemoryHandle(
+        base::SharedMemory::DuplicateHandle(shared_memory_.handle()),
+        sizeof(DeviceMotionHardwareBuffer), false);
+  }
 
  private:
   std::unique_ptr<MockDeviceMotionListener> listener_;
   std::unique_ptr<DeviceMotionEventPumpForTesting> motion_pump_;
-  base::SharedMemoryHandle handle_;
   base::SharedMemory shared_memory_;
   DeviceMotionHardwareBuffer* buffer_;
 
@@ -135,7 +137,7 @@ TEST_F(DeviceMotionEventPumpTest, DidStartPolling) {
   InitBuffer(true);
 
   motion_pump()->Start(listener());
-  motion_pump()->OnDidStart(handle());
+  motion_pump()->DidStart(handle());
 
   base::MessageLoop::current()->Run();
 
@@ -162,7 +164,7 @@ TEST_F(DeviceMotionEventPumpTest, DidStartPollingNotAllSensorsActive) {
   InitBuffer(false);
 
   motion_pump()->Start(listener());
-  motion_pump()->OnDidStart(handle());
+  motion_pump()->DidStart(handle());
 
   base::MessageLoop::current()->Run();
 
@@ -194,7 +196,7 @@ TEST_F(DeviceMotionEventPumpTest, PumpThrottlesEventRate) {
 
   motion_pump()->set_stop_on_fire_event(false);
   motion_pump()->Start(listener());
-  motion_pump()->OnDidStart(handle());
+  motion_pump()->DidStart(handle());
 
   base::ThreadTaskRunnerHandle::Get()->PostDelayedTask(
       FROM_HERE, base::MessageLoop::QuitWhenIdleClosure(),