Implement clipboardRead/Write content capabilities

extensions/common/manifest_handlers/content_capabilities_handler.cc

 // Copyright 2014 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "extensions/common/manifest_handlers/content_capabilities_handler.h"
 
+#include "base/command_line.h"
 #include "base/lazy_instance.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/strings/string_number_conversions.h"
 #include "base/strings/utf_string_conversions.h"
 #include "base/values.h"
+#include "content/public/common/content_switches.h"
 #include "extensions/common/api/extensions_manifest_types.h"
 #include "extensions/common/error_utils.h"
 #include "extensions/common/install_warning.h"
 #include "extensions/common/manifest_constants.h"
 #include "extensions/common/permissions/permissions_info.h"
 #include "extensions/common/url_pattern.h"
 
 namespace extensions {
 
 namespace keys = manifest_keys;
@@ skipping 32 matching lines @@
   if (!extension->manifest()->Get(keys::kContentCapabilities, &value)) {
     *error = base::ASCIIToUTF16(errors::kInvalidContentCapabilities);
     return false;
   }
 
   scoped_ptr<ContentCapabilities> capabilities(ContentCapabilities::FromValue(
       *value, error));
   if (!capabilities)
     return false;
 
+  int supported_schemes = URLPattern::SCHEME_HTTPS;
+  if (base::CommandLine::ForCurrentProcess()->HasSwitch(
+          switches::kTestType)) {
+    supported_schemes |= URLPattern::SCHEME_HTTP;

[not at google - send to devlin, 2014/12/10 17:33:54]

Mention why (... and shame there is no https mode for the embedded test
server..?)

[Ken Rockot(use gerrit already), 2014/12/10 18:31:41]

Heh. Done.

+  }
+
   std::string url_error;
   URLPatternSet potential_url_patterns;
   if (!potential_url_patterns.Populate(capabilities->matches,
-          URLPattern::SCHEME_HTTPS, false /* allow_file_access */,
+          supported_schemes, false /* allow_file_access */,
           &url_error)) {
     *error = ErrorUtils::FormatErrorMessageUTF16(
         errors::kInvalidContentCapabilitiesMatch, url_error);
     return false;
   }
 
   // Filter wildcard URL patterns and emit warnings for them.
   std::set<URLPattern> valid_url_patterns;
   for (const URLPattern& pattern : potential_url_patterns) {
     if (pattern.match_subdomains() || pattern.ImpliesAllHosts()) {
@@ skipping 22 matching lines @@
   extension->SetManifestData(keys::kContentCapabilities, info.release());
   return true;
 }
 
 const std::vector<std::string> ContentCapabilitiesHandler::Keys()
     const {
   return SingleKey(keys::kContentCapabilities);
 }
 
 }  // namespace extensions