command_buffer: Support instanced path rendering in gpu command buffer

gpu/command_buffer/common/gles2_cmd_utils.cc

Index: gpu/command_buffer/common/gles2_cmd_utils.cc
diff --git a/gpu/command_buffer/common/gles2_cmd_utils.cc b/gpu/command_buffer/common/gles2_cmd_utils.cc
index 8417b060a7951933af0142faed80a6d8257f2c3e..03764259ce8dac984a9db6a7a8eba8638618cafe 100644
--- a/gpu/command_buffer/common/gles2_cmd_utils.cc
+++ b/gpu/command_buffer/common/gles2_cmd_utils.cc
@@ -739,6 +739,26 @@ size_t GLES2Util::GetGLTypeSizeForTexturesAndBuffers(uint32 type) {
   }
 }
 
+size_t GLES2Util::GetComponentCountForGLTransformType(uint32 type) {
+  switch (type) {
+    case GL_TRANSLATE_X_CHROMIUM:
+    case GL_TRANSLATE_Y_CHROMIUM:
+      return 1;
+    case GL_TRANSLATE_2D_CHROMIUM:
+      return 2;
+    case GL_TRANSLATE_3D_CHROMIUM:
+      return 3;
+    case GL_AFFINE_2D_CHROMIUM:
+    case GL_TRANSPOSE_AFFINE_2D_CHROMIUM:
+      return 6;
+    case GL_AFFINE_3D_CHROMIUM:
+    case GL_TRANSPOSE_AFFINE_3D_CHROMIUM:
+      return 12;
+    default:
+      return 0;
+  }
+}
+
 size_t GLES2Util::GetGLTypeSizeForPathCoordType(uint32 type) {
   switch (type) {
     case GL_BYTE:
@@ -756,6 +776,25 @@ size_t GLES2Util::GetGLTypeSizeForPathCoordType(uint32 type) {
   }
 }
 
+size_t GLES2Util::GetGLTypeSizeForGLPathNameType(uint32 type) {
+  switch (type) {
+    case GL_BYTE:
+      return sizeof(GLbyte);  // NOLINT
+    case GL_UNSIGNED_BYTE:
+      return sizeof(GLubyte);  // NOLINT
+    case GL_SHORT:
+      return sizeof(GLshort);  // NOLINT
+    case GL_UNSIGNED_SHORT:
+      return sizeof(GLushort);  // NOLINT
+    case GL_INT:
+      return sizeof(GLint);  // NOLINT
+    case GL_UNSIGNED_INT:
+      return sizeof(GLuint);  // NOLINT
+    default:
+      return 0;
+  }
+}
+
 uint32 GLES2Util::GLErrorToErrorBit(uint32 error) {
   switch (error) {
     case GL_INVALID_ENUM: