Add support for converting I420 software frames into NV12 hardware frames

gpu/command_buffer/service/image_factory.cc

Index: gpu/command_buffer/service/image_factory.cc
diff --git a/gpu/command_buffer/service/image_factory.cc b/gpu/command_buffer/service/image_factory.cc
index 75e5d2218a9671545ebe573948c26e953d882b58..c47863c41da3558e0ee8878fd86207797cf836f2 100644
--- a/gpu/command_buffer/service/image_factory.cc
+++ b/gpu/command_buffer/service/image_factory.cc
@@ -77,6 +77,8 @@ bool ImageFactory::IsImageFormatCompatibleWithGpuMemoryBufferFormat(
       return format == DefaultBufferFormatForImageFormat(internalformat);
     case gfx::BufferFormat::RGBA_4444:
       return internalformat == GL_RGBA;
+    case gfx::BufferFormat::YUV_420_BIPLANAR:
+      return internalformat == GL_R8;
     case gfx::BufferFormat::UYVY_422:
       return internalformat == GL_RGB;
   }
@@ -107,6 +109,7 @@ bool ImageFactory::IsGpuMemoryBufferFormatSupported(
     case gfx::BufferFormat::RGBA_8888:
     case gfx::BufferFormat::BGRX_8888:
     case gfx::BufferFormat::YUV_420:
+    case gfx::BufferFormat::YUV_420_BIPLANAR:
     case gfx::BufferFormat::UYVY_422:
       return true;
   }
@@ -135,6 +138,7 @@ bool ImageFactory::IsImageSizeValidForGpuMemoryBufferFormat(
     case gfx::BufferFormat::BGRX_8888:
       return true;
     case gfx::BufferFormat::YUV_420:
+    case gfx::BufferFormat::YUV_420_BIPLANAR:
       // U and V planes are subsampled by a factor of 2.
       return size.width() % 2 == 0 && size.height() % 2 == 0;
     case gfx::BufferFormat::UYVY_422: