| Index: extensions/browser/api/web_request/web_request_api.cc
 | 
| diff --git a/extensions/browser/api/web_request/web_request_api.cc b/extensions/browser/api/web_request/web_request_api.cc
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| index 1290440886d69568343617a133cb82e086a97464..88212320ef6a97acc281b35745777b37af4836ee 100644
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| --- a/extensions/browser/api/web_request/web_request_api.cc
 | 
| +++ b/extensions/browser/api/web_request/web_request_api.cc
 | 
| @@ -137,8 +137,9 @@ int GetFrameId(bool is_main_frame, int frame_id) {
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|  
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|  bool IsWebRequestEvent(const std::string& event_name) {
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|    std::string web_request_event_name(event_name);
 | 
| -  if (base::StartsWithASCII(web_request_event_name,
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| -                            webview::kWebViewEventPrefix, true)) {
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| +  if (base::StartsWith(web_request_event_name,
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| +                       webview::kWebViewEventPrefix,
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| +                       base::CompareCase::SENSITIVE)) {
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|      web_request_event_name.replace(
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|          0, strlen(webview::kWebViewEventPrefix), kWebRequestEventPrefix);
 | 
|    }
 | 
| 
 |