Refactored pixel format resize operations in media/video/capture into a function called VideoCaptu…

media/video/capture/video_capture_device_unittest.cc

Index: media/video/capture/video_capture_device_unittest.cc
diff --git a/media/video/capture/video_capture_device_unittest.cc b/media/video/capture/video_capture_device_unittest.cc
index b2711ee1c74211b891e1c6d97c9dc23aa957ea44..b9060ed9d09b11baff54ded531118149139f9264 100644
--- a/media/video/capture/video_capture_device_unittest.cc
+++ b/media/video/capture/video_capture_device_unittest.cc
@@ -269,6 +269,7 @@ TEST_F(VideoCaptureDeviceTest, CaptureVGA) {
   WaitForCapturedFrame();
   EXPECT_EQ(last_format().frame_size.width(), 640);
   EXPECT_EQ(last_format().frame_size.height(), 480);
+  EXPECT_EQ((size_t)640*480*3/2, last_format().ImageAllocationSize());

[mcasas, 2015/02/03 20:48:46]

static_cast

   device->StopAndDeAllocate();
 }
 
@@ -293,6 +294,9 @@ TEST_F(VideoCaptureDeviceTest, Capture720p) {
   device->AllocateAndStart(capture_params, client_.Pass());
   // Get captured video frames.
   WaitForCapturedFrame();
+  EXPECT_EQ(last_format().frame_size.width(), 1280);
+  EXPECT_EQ(last_format().frame_size.height(), 720);
+  EXPECT_EQ((size_t)1280*720*3/2, last_format().ImageAllocationSize());

[mcasas, 2015/02/03 20:48:46]

idem

   device->StopAndDeAllocate();
 }
 
@@ -318,6 +322,7 @@ TEST_F(VideoCaptureDeviceTest, MAYBE_AllocateBadSize) {
   device->StopAndDeAllocate();
   EXPECT_EQ(last_format().frame_size.width(), 640);
   EXPECT_EQ(last_format().frame_size.height(), 480);
+  EXPECT_EQ((size_t)640*480*3/2, last_format().ImageAllocationSize());

[mcasas, 2015/02/03 20:48:46]

idem, and all those remaining if any

 }
 
 // Cause hangs on Windows Debug. http://crbug.com/417824
@@ -422,6 +427,7 @@ TEST_F(VideoCaptureDeviceTest, MAYBE_CaptureMjpeg) {
   // Verify we get MJPEG from the device. Not all devices can capture 1280x720
   // @ 30 fps, so we don't care about the exact resolution we get.
   EXPECT_EQ(last_format().pixel_format, PIXEL_FORMAT_MJPEG);
+  EXPECT_GE((size_t)1280*720, last_format().ImageAllocationSize());
   device->StopAndDeAllocate();
 }