Decompress ETC texture data when there is no native support.

gpu/command_buffer/service/gles2_cmd_decoder_autogen.h

Index: gpu/command_buffer/service/gles2_cmd_decoder_autogen.h
diff --git a/gpu/command_buffer/service/gles2_cmd_decoder_autogen.h b/gpu/command_buffer/service/gles2_cmd_decoder_autogen.h
index 126552288c37c688372a2e27e216d647e4157c65..c6f29023178d17ac690051f8f5ff69fb977e8a85 100644
--- a/gpu/command_buffer/service/gles2_cmd_decoder_autogen.h
+++ b/gpu/command_buffer/service/gles2_cmd_decoder_autogen.h
@@ -594,8 +594,10 @@ error::Error GLES2DecoderImpl::HandleCompressedTexImage2DBucket(
                        "imageSize < 0");
     return error::kNoError;
   }
-  DoCompressedTexImage2D(target, level, internalformat, width, height, border,
-                         imageSize, data);
+  error::Error error = DoCompressedTexImage2D(
+      target, level, internalformat, width, height, border, imageSize, data);
+  if (error != error::kNoError)
+    return error;
   return error::kNoError;
 }
 
@@ -689,8 +691,10 @@ error::Error GLES2DecoderImpl::HandleCompressedTexSubImage2DBucket(
                        "imageSize < 0");
     return error::kNoError;
   }
-  DoCompressedTexSubImage2D(target, level, xoffset, yoffset, width, height,
-                            format, imageSize, data);
+  error::Error error = DoCompressedTexSubImage2D(
+      target, level, xoffset, yoffset, width, height, format, imageSize, data);
+  if (error != error::kNoError)
+    return error;
   return error::kNoError;
 }
 
@@ -794,8 +798,11 @@ error::Error GLES2DecoderImpl::HandleCompressedTexImage3DBucket(
                        "imageSize < 0");
     return error::kNoError;
   }
-  DoCompressedTexImage3D(target, level, internalformat, width, height, depth,
-                         border, imageSize, data);
+  error::Error error =
+      DoCompressedTexImage3D(target, level, internalformat, width, height,
+                             depth, border, imageSize, data);
+  if (error != error::kNoError)
+    return error;
   return error::kNoError;
 }
 
@@ -905,8 +912,11 @@ error::Error GLES2DecoderImpl::HandleCompressedTexSubImage3DBucket(
                        "imageSize < 0");
     return error::kNoError;
   }
-  DoCompressedTexSubImage3D(target, level, xoffset, yoffset, zoffset, width,
-                            height, depth, format, imageSize, data);
+  error::Error error =
+      DoCompressedTexSubImage3D(target, level, xoffset, yoffset, zoffset, width,
+                                height, depth, format, imageSize, data);
+  if (error != error::kNoError)
+    return error;
   return error::kNoError;
 }