Add support for converting I420 software frames into NV12 hardware frames

ui/gl/gl_image_memory.cc

Index: ui/gl/gl_image_memory.cc
diff --git a/ui/gl/gl_image_memory.cc b/ui/gl/gl_image_memory.cc
index e5160a6cbec3c4e5e59e43018b36d431209ac0c7..6e04a36e02f1d53fbe3008ef7fa38659b864c659 100644
--- a/ui/gl/gl_image_memory.cc
+++ b/ui/gl/gl_image_memory.cc
@@ -47,6 +47,7 @@ bool ValidFormat(BufferFormat format) {
       return true;
     case BufferFormat::BGRX_8888:
     case BufferFormat::YUV_420:
+    case BufferFormat::YUV_420_BIPLANAR:
     case BufferFormat::UYVY_422:
       return false;
   }
@@ -69,6 +70,7 @@ bool IsCompressedFormat(BufferFormat format) {
     case BufferFormat::BGRA_8888:
     case BufferFormat::BGRX_8888:
     case BufferFormat::YUV_420:
+    case BufferFormat::YUV_420_BIPLANAR:
     case BufferFormat::UYVY_422:
       return false;
   }
@@ -98,6 +100,7 @@ GLenum TextureFormat(BufferFormat format) {
       return GL_BGRA_EXT;
     case BufferFormat::BGRX_8888:
     case BufferFormat::YUV_420:
+    case BufferFormat::YUV_420_BIPLANAR:
     case BufferFormat::UYVY_422:
       NOTREACHED();
       return 0;
@@ -126,6 +129,7 @@ GLenum DataType(BufferFormat format) {
     case BufferFormat::ETC1:
     case BufferFormat::BGRX_8888:
     case BufferFormat::YUV_420:
+    case BufferFormat::YUV_420_BIPLANAR:
     case BufferFormat::UYVY_422:
       NOTREACHED();
       return 0;
@@ -207,6 +211,7 @@ bool GLImageMemory::StrideInBytes(size_t width,
       return true;
     case BufferFormat::BGRX_8888:
     case BufferFormat::YUV_420:
+    case BufferFormat::YUV_420_BIPLANAR:
     case BufferFormat::UYVY_422:
       NOTREACHED();
       return false;