[DevTools] Omit |Accept-Encoding| header from cURL commands

The |Accept-Encoding| request header should be omitted from the cURL
command line to avoid problems decompressing responses on platforms
where cURL does not support the same set of decompressors as Chrome
itself.

Bug: 1015321
Change-Id: I2948affb89ff46ad1b9869b2532f75efb4acf6f9
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1865608Reviewed-by: Lorne Mitchell <lomitch@microsoft.com>
Commit-Queue: Eric Lawrence [MSFT] <ericlaw@microsoft.com>
Cr-Commit-Position: refs/heads/master@{#707146}

third_party/blink/renderer/devtools/front_end/network/NetworkLogView.js

@@ -1704,8 +1704,9 @@ Network.NetworkLogView = class extends UI.VBox {
    */
   async _generateCurlCommand(request, platform) {
     let command = ['curl'];
-    // These headers are derived from URL (except "version") and would be added by cURL anyway.
-    const ignoredHeaders = {'host': 1, 'method': 1, 'path': 1, 'scheme': 1, 'version': 1};
+    // Most of these headers are derived from the URL and are automatically added by cURL.
+    // The |Accept-Encoding| header is ignored to prevent decompression errors. crbug.com/1015321
+    const ignoredHeaders = {'accept-encoding': 1, 'host': 1, 'method': 1, 'path': 1, 'scheme': 1, 'version': 1};
 
     function escapeStringWin(str) {
       /* If there are no new line characters do not escape the " characters