Fix (unexpected) use of uninitialized boolean in parsing of Content-Type.

BUG=112155
TBR=battre@chromium.org

Review URL: https://chromiumcodereview.appspot.com/10834190

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@150146 0039d316-1c4b-4281-b951-d872f2087c98

chrome/browser/extensions/api/declarative_webrequest/webrequest_condition_attribute.cc

@@ -198,7 +198,7 @@ bool WebRequestConditionAttributeContentType::IsFulfilled(
       net::HttpRequestHeaders::kContentType, &content_type);
   std::string mime_type;
   std::string charset;
-  bool had_charset;
+  bool had_charset = false;
   net::HttpUtil::ParseContentType(
       content_type, &mime_type, &charset, &had_charset, NULL);