Ignore insecure parts of CSP in extensions and allow extension to load

extensions/common/manifest_handlers/csp_info.cc

Index: extensions/common/manifest_handlers/csp_info.cc
diff --git a/extensions/common/manifest_handlers/csp_info.cc b/extensions/common/manifest_handlers/csp_info.cc
index 2fd74fb76b272a096eae2e8f215861835955aeb6..f3fe79c3aa73321fa6e2e7b5de2a845ceb03535e 100644
--- a/extensions/common/manifest_handlers/csp_info.cc
+++ b/extensions/common/manifest_handlers/csp_info.cc
@@ -9,6 +9,7 @@
 #include "base/strings/utf_string_conversions.h"
 #include "base/values.h"
 #include "extensions/common/csp_validator.h"
+#include "extensions/common/install_warning.h"
 #include "extensions/common/manifest_constants.h"
 #include "extensions/common/manifest_handlers/sandboxed_page_info.h"
 
@@ -88,7 +89,7 @@ bool CSPHandler::Parse(Extension* extension, base::string16* error) {
           kDefaultContentSecurityPolicy;
 
       CHECK(ContentSecurityPolicyIsSecure(content_security_policy,
-                                          extension->GetType()));
+                                          extension->GetType(), NULL, NULL));
       extension->SetManifestData(keys::kContentSecurityPolicy,
                                  new CSPInfo(content_security_policy));
     }
@@ -104,11 +105,14 @@ bool CSPHandler::Parse(Extension* extension, base::string16* error) {
     *error = base::ASCIIToUTF16(errors::kInvalidContentSecurityPolicy);
     return false;
   }
+  std::string sanitized_csp;
+  std::vector<InstallWarning> warnings;
   if (extension->manifest_version() >= 2 &&
       !ContentSecurityPolicyIsSecure(content_security_policy,
-                                     extension->GetType())) {
-    *error = base::ASCIIToUTF16(errors::kInsecureContentSecurityPolicy);
-    return false;
+                                     extension->GetType(), &sanitized_csp,
+                                     &warnings)) {
+    extension->AddInstallWarnings(warnings);
+    content_security_policy = sanitized_csp;
   }
 
   extension->SetManifestData(keys::kContentSecurityPolicy,