command_buffer: Implement path rendering functions for CHROMIUM_path_rendering

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 7a33ab1e48f9364ba885b3bbb595d76609c94c1b..1471456b3af33987061fa36d701ae945f794e20d 100644
--- a/gpu/command_buffer/common/gles2_cmd_utils.cc
+++ b/gpu/command_buffer/common/gles2_cmd_utils.cc
@@ -702,6 +702,23 @@ size_t GLES2Util::GetGLTypeSizeForTexturesAndBuffers(uint32 type) {
   }
 }
 
+size_t GLES2Util::GetGLTypeSizeForPathCoordType(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_FLOAT:
+      return sizeof(GLfloat);  // NOLINT
+    default:
+      return 0;
+  }
+}
+
 uint32 GLES2Util::GLErrorToErrorBit(uint32 error) {
   switch (error) {
     case GL_INVALID_ENUM: