Clarify comment on ContentBrowserClient::ConfigureNetworkContextParams

The comment described too much of what //content would do with the
result of ContentBrowserClient::ConfigureNetworkContextParams, whereas
the comment should really just describe what is expected of the
embedder.

Change-Id: Ifdf38c47d2117d87f8de0d5974ee306752b32f1b
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2622731Reviewed-by: Wez <wez@chromium.org>
Reviewed-by: John Abd-El-Malek <jam@chromium.org>
Auto-Submit: Matthew Denton <mpdenton@chromium.org>
Commit-Queue: John Abd-El-Malek <jam@chromium.org>
Cr-Commit-Position: refs/heads/master@{#842749}

content/public/browser/content_browser_client.h

@@ -1503,16 +1503,13 @@ class CONTENT_EXPORT ContentBrowserClient {
   // BrowserContext's StoragePartition. StoragePartition will use the
   // NetworkService to create a new NetworkContext using these params.
   //
+  // Embedders wishing to modify the initial configuration of the CertVerifier
+  // should edit |cert_verifier_creation_params| rather than
+  // |network_context_params->cert_verifier_params|, which will be discarded.
+  //
   // By default the |network_context_params| is populated with |user_agent|
   // based on the value returned by GetUserAgent(), and with a fixed legacy
   // "accept-language" header value of "en-us,en".
-  //
-  // If the CertVerifierService is enabled, the CertVerifierCreationParams will
-  // be used to create a new CertVerifierService, which will be passed to the
-  // network service in NetworkContextParams. Otherwise, the
-  // CertVerifierCreationParams will be placed in the NetworkContextParams and
-  // sent directly to the NetworkService for in-process CertVerifier creation.
-  //
   // If |in_memory| is true, |relative_partition_path| is still a path that
   // uniquely identifies the storage partition, though nothing should be written
   // to it.