Add domain request detection to incident reporting service.

chrome/browser/safe_browsing/incident_reporting/resource_request_detector.cc

Index: chrome/browser/safe_browsing/incident_reporting/resource_request_detector.cc
diff --git a/chrome/browser/safe_browsing/incident_reporting/resource_request_detector.cc b/chrome/browser/safe_browsing/incident_reporting/resource_request_detector.cc
new file mode 100644
index 0000000000000000000000000000000000000000..d34192eeed7352f3bd72665398043046d15517c3
--- /dev/null
+++ b/chrome/browser/safe_browsing/incident_reporting/resource_request_detector.cc
@@ -0,0 +1,373 @@
+// Copyright 2015 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 "chrome/browser/safe_browsing/incident_reporting/resource_request_detector.h"
+
+#include "chrome/browser/profiles/profile.h"
+#include "chrome/browser/safe_browsing/incident_reporting/incident_receiver.h"
+#include "chrome/browser/safe_browsing/incident_reporting/resource_request_incident.h"
+#include "chrome/common/safe_browsing/csd.pb.h"
+#include "content/public/browser/browser_thread.h"
+#include "content/public/browser/render_frame_host.h"
+#include "content/public/browser/render_process_host.h"
+#include "content/public/browser/resource_request_info.h"
+#include "content/public/browser/site_instance.h"
+#include "crypto/sha2.h"
+#include "net/url_request/url_request.h"
+#include "url/gurl.h"
+
+namespace {
+
+const char* const kScriptHashes[] = {
+    "\x2b\x45\xc0\xda\x79\x4c\x65\x19\x4d\x78\x98\x85\x6c\xe8\xbd\x95"
+    "\xf5\x9a\x5a\xf4\x4e\xf9\x9f\x4f\x93\x35\x3b\xa8\x52\xc0\x02\xfb",
+    "\x05\xce\x5b\xda\xff\x28\x17\xf9\xc9\x38\x62\x6a\x39\x1b\x76\x56"
+    "\xe3\xef\xed\x48\x1f\xe3\xae\x93\x4f\xd3\xd2\x96\x87\x53\x45\xf0",
+    "\x3a\x65\x3d\x71\x2d\x3a\xc4\x35\x10\xd7\x01\xb6\xbb\xfb\x49\xda"
+    "\x12\xce\x09\xfd\x48\x45\x76\x64\x12\xff\xd4\x7c\x61\x47\x3c\x0b",
+    "\x95\x8e\x4d\x65\xac\xea\x96\xe5\x11\xd9\xfa\xcc\xcc\xb7\xcd\xb3"
+    "\xcb\x8f\x4d\xf0\xf8\x72\xa0\xc5\x87\x02\xad\xe4\x1f\x3d\xfa\xf2",
+    "\x2b\x8f\x58\x38\xeb\x87\x5d\xa0\x14\x90\x95\x89\x04\xd3\xe5\x89"
+    "\xc5\xd7\x7a\xb6\x48\x53\x18\xfe\x71\x3a\x6a\xfd\xf0\xb3\x6e\xa8",
+    "\xa9\x18\x65\x4d\xd3\xf5\xdf\x09\xf6\xe7\xfe\x21\x0f\x11\x35\x9a"
+    "\x53\xbf\xb4\xa8\x5e\x23\xb1\x0c\x3c\x64\x94\xf5\x08\x9b\x29\x15",
+    "\x5a\x2b\x9b\x45\x81\x5c\x4b\xa5\xf5\x9b\x54\x78\x21\x73\x79\x87"
+    "\x37\xdb\x88\x97\xd9\x76\xd9\x21\x80\xfc\x54\x83\x77\xdb\x17\x7f",
+    "\xd5\xab\x93\xdc\x3a\xd2\x40\xee\x77\x82\x12\x5c\xf7\x7f\x91\x5c"
+    "\x56\x62\x17\xbb\x4e\x6a\xb8\x38\x62\x9d\x0a\xbe\xd3\x8f\x50\xdb",
+    "\xdb\x73\x50\xd3\x58\x50\x2e\xfc\x00\xca\xef\x9d\x68\xf4\xb5\x77"
+    "\x2b\x00\xf9\x7d\xf8\x89\x96\x6e\x35\x22\x17\x35\x4d\xb2\x89\xb3",
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+    "\xbd\x39\x20\xad\x94\x3a\x0b\x3e\x43\xa4\xe1\x91\x90\x9f\xdf\x25",
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+    "\x6e\x98\x87\xb7\xe0\x65\xbd\x12\xc6\x27\x89\x56\x87\x3d\x36\x47",
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+    "\x5a\x9d\x7d\x24\x04\xfd\x41\xe4\x3a\x1a\xd3\xcf\x76\xf5\x21\x4b",
+    "\xaa\xab\xfd\x8d\x8a\x43\x9b\x99\x98\xad\x01\xec\xc5\xbb\x40\x80"
+    "\x78\x44\xe4\xec\x44\x94\x5f\xe2\xb2\xc2\xd3\x87\xe1\x21\xd0\x1f",
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+    "\x8e\x0b\xee\xd8\xd1\x93\x89\x9b\x53\x9f\xf8\x12\x83\x13\x95\x7d",
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+    "\xdf\xc7\x7f\x4e\x94\x1b\x8a\x0a\xf6\x35\xba\xef\xbc\x18\x79\x26",
+    "\x24\x15\x42\x76\x4d\x29\xae\x4e\x1b\x2b\xd5\x8a\xdb\x85\x77\xea"
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+    "\xbb\x44\xfe\x76\xeb\x37\x4f\x4e\xd2\x99\x70\x9e\x20\x7f\x08\x30"
+    "\xec\x7b\xe9\x3a\x59\x81\x82\x3e\x45\x01\x41\x8d\xe5\x32\x74\x68",
+    "\x5a\x18\x08\xb9\xb8\xc3\x16\x5f\x4b\x96\x6a\x81\x4f\xeb\xc1\xe0"
+    "\x44\x05\xf5\xea\xa9\x34\xeb\xaa\x7e\x97\xd1\xf1\xd4\xd3\x9c\x30",
+    "\xac\x93\xea\x0d\xd5\xdb\xa4\xe9\x2f\xa2\xdd\x1a\x49\x4b\xdb\x54"
+    "\x8a\xb0\x93\x2f\x6d\x48\x54\x39\x30\xf1\x8c\x89\x87\xf2\x4b\x97",
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+    "\x59\xdc\x87\xd3\x68\xf1\x5c\xdc\x64\xf9\xdd\xf0\xe8\xd5\xdd\x02",
+    "\x3a\xa0\x93\x8c\x7c\x7f\x9b\x9a\x2a\x87\x60\x6d\xd5\x73\x6d\xa4"
+    "\xc6\xac\x84\x07\x68\xba\x43\x94\x24\x1f\x9c\x5f\x1b\x87\x54\x82",
+    "\x76\x5f\xad\xc9\xb6\x00\xf0\x28\x37\x3e\xbe\xfb\x35\x2b\x95\xac"
+    "\xc3\x54\x09\x2b\x04\x72\x92\xbb\x3a\x6e\x5c\x78\xb4\xa8\x87\x58",
+    "\xec\x33\xf1\x38\x85\xf0\x1c\x1e\xee\xca\x05\x2d\x9b\xd3\x4f\x8a"
+    "\x54\x6b\x91\x36\x10\x64\xf6\x64\xbe\x1d\xf4\xa5\xa1\x22\x8e\x97",
+    "\x75\xa3\xd3\x53\xb0\x57\xbe\x92\x9c\xf5\xf9\xc1\x30\x95\x10\xee"
+    "\x93\xc0\x4e\x48\x9d\x4a\xa1\x8d\x40\xe5\xa2\x42\xd7\xf2\xc2\x77",
+    "\x21\x66\x33\xff\xc3\xfa\xe1\x7a\xa1\x06\xf2\x9e\x2f\xc6\xcc\x93"
+    "\x1e\x62\x17\xf1\xcc\x02\x2f\x39\x80\xee\x34\x4a\x85\xc8\x99\xed",
+    "\x9b\x62\xc6\x2b\xc9\xb0\xf9\xbd\x93\x1a\xfd\xed\xfb\x68\xa0\xc2"
+    "\x15\xfe\x34\xea\xc4\x89\x73\x9e\x70\x93\xe1\x1f\x4a\x75\xbe\x09",
+    "\xb9\xe4\x66\x44\xea\x77\xe1\x74\x3d\x92\xcf\x6c\x20\x7e\xbf\x46"
+    "\xfd\x4f\x4e\x82\x17\xa8\x7d\x3d\x19\xd4\xda\xde\x75\x74\xf1\x13",
+    "\x8b\x2e\x30\xfa\x2e\xe1\xa1\x8e\xb6\x00\xb9\xe3\xc2\xc9\xa4\xad"
+    "\x70\x03\x72\xea\xa8\x68\xdc\x95\x43\x6d\xdf\x40\x26\x58\xde\xe6",
+};
+
+const char* const kDomainHashes[] = {
+    "\x1e\x11\x37\x30\xc2\x8a\xf5\xde\xac\x4c\xf3\x6b\x45\xbf\xc2\x64"
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+    "\x45\xb9\x19\x7e\x8a\xf0\xd0\xa8\x2a\x53\x6e\xc4\x38\x31\xc9\x96",
+    "\x2b\xbe\xdf\x89\x33\x2c\xe4\xc7\xcf\xca\x65\xfb\x91\x1c\x9d\x3a"
+    "\x4e\x51\xbe\x56\xe3\xfa\x2c\x32\x78\x6b\x90\x03\x68\xf4\x3f\xc5",
+    "\x5b\x81\x16\xa0\xce\xa4\x6d\x57\xbd\x38\x7f\xd0\x85\x25\x59\x53"
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+    "\x23\x14\x4a\x50\xfa\x5d\xb8\xf5\x25\x29\x42\x23\x6c\x23\x95\xeb",
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+    "\xc4\x39\xa4\x4f\x61\x65\x6e\x43\x35\x54\x2c\x15\x50\xc3\xa3\x21",
+    "\xc4\x1b\x1a\x9d\xdd\x18\xd3\xb7\xdd\x2c\x02\x07\xfd\x63\x3b\x53"
+    "\x7b\xe0\x1d\x17\xcf\x15\xc9\x25\xa8\x76\xd1\x41\x9e\x62\x34\x0a",
+    "\xc3\xeb\x5e\x05\x55\x1e\x63\xe9\x6e\xa7\x98\x92\xd7\x3b\x45\xe1"
+    "\x5f\xbc\xc4\xf0\x2f\xb1\x9f\xbf\x4b\x1f\xe5\xdd\xde\x76\x2a\x77",
+    "\xfc\xd4\xa8\x97\x50\x0d\xba\x15\xac\x3c\x2b\x6e\x2b\x79\x93\xcd"
+    "\x18\x1a\xb1\xad\x32\x04\x27\x01\x39\xf7\x6d\x7a\x39\xb5\x92\x35",
+    "\x97\x94\xec\x59\x45\xd8\xfe\xa3\x73\x1f\x03\xe6\xb2\xfc\x2e\xe8"
+    "\xf7\x95\xe3\xaf\x8f\x97\x01\x6f\xef\x6b\x7b\xee\x41\x5e\x27\x7e",
+    "\x75\xc1\x70\x94\x68\xf6\xcc\x07\xb7\xbe\x0b\x84\x0c\x64\xa8\x47"
+    "\x4e\xea\x7f\x75\x3b\xcb\x28\x39\xab\xe5\x14\x8a\xb4\x5a\x38\xb2",
+    "\x94\x48\xfd\x84\x30\xba\x7d\x81\x04\xdc\xbb\x16\xa1\x06\xa9\xe4"
+    "\xb1\xa7\xff\xc5\x13\x22\xed\x4e\x05\xfe\xf9\xb8\x69\xfe\x23\xd4",
+    "\xb5\x32\x33\x46\x6c\x29\xe2\x74\xa6\x63\x60\x70\xdb\x20\x15\x12"
+    "\x0a\x67\xf0\x3a\xad\xf9\x0c\x33\x91\x4c\x90\x5c\x55\x92\x1f\xf8",
+    "\x16\xe6\x9c\xdf\xa2\x18\x13\x60\xe4\x2b\xb3\x07\x29\xa8\xd8\x1b"
+    "\xc5\xa8\xd1\x85\x42\x67\x57\x81\x55\x34\x97\x1d\x8c\xe9\xee\xb7",
+    "\x28\x3f\x74\x64\xb2\x15\xfc\x1b\x75\xcd\x69\x88\x04\x1b\x27\x62"
+    "\xd0\xc2\xdc\xbe\x31\xbe\xb5\x30\xa3\x6e\x01\xdd\x0f\x4e\x31\x2b",
+    "\x75\xc2\x30\x5b\xa3\x9b\xff\x0d\xdc\x75\xdf\x20\x8e\xa1\xe6\x5c"
+    "\x17\xab\xf0\x58\x06\xf3\xda\x9f\xa5\xaa\x98\xfe\x1a\x7e\x74\x2b",
+    "\x3c\xc1\x60\xc5\xd0\x56\x0d\x08\xd5\x19\xbf\x08\x51\x18\x9b\xc8"
+    "\xdd\x8d\x58\x5f\x1d\x75\x88\x14\x73\x8c\xda\x66\x12\x94\x8a\xeb",
+    "\x54\xba\x7d\x21\x4e\x4e\xc2\xf3\x37\x37\x86\xcd\xbe\x7b\x89\x42"
+    "\xa9\x7b\x3b\xec\x69\x49\x6c\x1c\x58\xb8\x4d\xe8\x06\x1c\x88\x37",
+    "\x62\xef\x4d\x5f\xa4\x64\x80\xd6\x97\xd2\xd0\xbd\x31\x30\x03\x5f"
+    "\x22\x37\x8d\x48\xdd\x8a\xb2\xf0\xe3\x57\x35\x98\x37\x70\x32\x25",
+    "\x23\x93\xc0\xa1\xd4\x27\xbd\x64\x65\x86\xe1\xa4\x86\x99\x99\x47"
+    "\x89\xf9\x69\xe2\xba\xce\x7c\x42\xc7\x5d\xbc\xe9\x14\x73\x1c\x8d",
+    "\x10\xe5\x75\x6d\x09\x43\xb3\xca\x0d\x1b\x78\xd1\xc2\x1a\xe5\xc0"
+    "\xd8\x29\x57\x86\x87\xe3\x43\x95\x87\xf6\x92\x83\x5e\x08\x4f\x7a",
+    "\x1c\xf9\xec\x01\x62\xbe\x78\x9b\x0e\x42\x3b\x7e\x70\x47\x27\x46"
+    "\x34\x52\x6e\x45\x1b\x60\x6e\xaf\xcb\x74\x8e\xdd\xbd\xe3\x4f\x5a",
+    "\x62\x02\x40\x4d\x50\xd8\x2a\xd0\x67\xdc\xb5\xc7\xfc\x13\xe9\x66"
+    "\x6a\x14\x33\x7e\xef\xf7\x20\x83\x4c\xf6\x32\xf4\x7a\x75\x32\xa1",
+    "\x35\x89\xab\x5d\xeb\xd5\x4c\x3a\x0f\x34\xeb\x35\x39\x9d\x51\xda"
+    "\x7c\x98\x40\xb7\xd4\xca\x5b\x5e\x3f\x82\x22\xbb\xd6\x56\x42\x78",
+    "\x30\x91\xf8\x24\xa3\xb6\x66\xb0\xc5\xe6\xe0\xfc\xa8\xfc\x2c\x9f"
+    "\x53\x09\x3f\xe5\x4f\x19\xab\xae\x09\xbc\x40\xa9\xd1\x37\x8e\x84",
+    "\xfa\x5a\x2f\xf0\xb0\x3e\x81\xbb\x7b\x4b\xc0\xf0\x67\xf1\xbe\x9d"
+    "\x86\x87\x51\xe6\x72\x34\x70\x02\xc2\xec\xb5\x66\xe7\xd1\x4d\x55",
+    "\x10\x24\x54\x8f\xe4\x06\x49\x6b\x0f\xcf\x95\x5c\xf9\xa6\xdc\xa9"
+    "\xc0\x7d\xda\xda\x78\x21\x57\x40\xdb\xb3\x54\x5f\x3b\x53\x48\xee",
+    "\xf7\xf2\x47\x19\x6e\x7d\x14\x08\x4b\xf3\x6f\x5c\x40\x19\x11\x54"
+    "\x68\xa5\x0d\xde\x6e\xba\x5e\x1b\x34\x04\x72\x41\x55\x31\xb1\x18",
+    "\xb6\xfa\x48\xa8\xd7\x20\xde\x56\x8c\x90\x81\xac\xaf\xd8\xf2\xe6"
+    "\xab\x56\xbb\x64\x1e\xbc\x93\x56\x3f\xce\xac\xd9\xa7\x4d\xa8\x40",
+    "\xfb\x8b\x14\x2e\xa8\x6a\x77\xaf\x7c\x13\x8a\x38\x6b\xd9\xf1\xc8"
+    "\x87\x63\x8d\x00\xe4\xac\xf2\x11\x4a\x1f\x39\x57\x1f\xa6\xca\xdf",
+    "\xba\xad\xe8\xdb\x70\x80\x8d\xbd\x3c\xc7\x6b\xd6\x02\x6a\x41\x40"
+    "\x62\x45\x7b\x18\x65\x94\xf3\x56\xc5\x24\x1e\xcb\x81\x8d\x45\x09",
+    "\x8f\xd5\xf8\xd3\x29\x82\x94\x51\xa8\xe6\x3a\x9d\x3a\xc7\x51\xe1"
+    "\xd3\x54\x32\xcb\x2c\x20\x98\x5a\x70\x04\x18\xfd\x49\x75\x85\x6e",
+    "\x90\x73\x6e\x8e\xe9\x75\xdf\xc6\x7e\xe7\x00\xe4\x4d\xc7\x0f\x04"
+    "\xe6\x58\x78\xa3\xbc\x98\x22\xb9\x38\xe0\xf0\x67\xe2\xa9\x8e\x1f",
+    "\x99\x3b\x39\x8e\x69\x7f\x28\xfd\x09\x8d\xc9\xed\xf9\x57\x0e\x41"
+    "\x1b\x41\x48\x40\x37\xf4\x77\xd3\x07\xbd\x82\xc6\xda\x16\xa8\xec",
+    "\x6d\x57\xf2\xd8\xf9\x6a\x82\x76\x1d\xb6\x8a\xe8\xb6\x3a\xcc\xd4"
+    "\x30\x59\xdd\xa6\x18\x64\xac\xd9\x83\x80\x7c\x75\x7a\xdf\x20\xfe",
+    "\x33\x5a\x23\xb0\xde\xd3\x7f\xc2\x96\xb7\x2e\xd4\x8a\xdc\x65\x0e"
+    "\xe6\x95\x6b\x41\xf0\xfe\xa0\xdf\xdf\x28\x73\xce\x6e\x1d\x79\x2d",
+    "\x13\xe3\xbc\x23\xb3\xf2\x10\x76\x10\xe8\x83\x8b\x83\xf0\x5e\x8d"
+    "\x4a\x8e\xf3\x98\x4d\x05\x03\x53\x69\xe0\xc0\x21\x9f\x69\x3f\x77",
+    "\xba\x88\x57\x60\x31\x4c\xd9\x6b\x21\x3e\xa3\x88\xe7\x45\x6c\x41"
+    "\x91\x66\xf2\x08\xd0\x89\xe6\x39\x68\x6c\xb8\x7a\xd7\x7d\x9f\x76",
+    "\xcd\xd5\x93\x5a\xe2\xdb\xf3\x63\xeb\xfd\xd0\x88\x49\x7d\xf6\x29"
+    "\xbf\x1f\xee\x3a\xda\xa1\x95\x38\x4d\xc3\x91\x21\xce\x01\xd1\x8d",
+};
+
+Profile* GetProfileForRenderProcessId(int render_process_id) {
+  // How to get a profile from a RenderProcess id:
+  // 1) Get the RenderProcessHost
+  // 2) From 1) Get the BrowserContext
+  // 3) From 2) Get the Profile.
+  Profile* profile = nullptr;
+  content::RenderProcessHost* render_process_host =
+      content::RenderProcessHost::FromID(render_process_id);
+  if (render_process_host) {
+    content::BrowserContext* browser_context =
+        render_process_host->GetBrowserContext();
+    if (browser_context)
+      profile = Profile::FromBrowserContext(browser_context);
+  }
+  return profile;
+}
+
+GURL GetUrlForRenderFrameId(int render_process_id, int render_frame_id) {
+  content::RenderFrameHost* render_frame_host =
+      content::RenderFrameHost::FromID(render_process_id, render_frame_id);
+  if (render_frame_host)
+    return render_frame_host->GetLastCommittedURL();
+  return GURL();
+}
+
+}  // namespace
+
+namespace safe_browsing {
+
+ResourceRequestDetector::ResourceRequestDetector(
+    scoped_ptr<IncidentReceiver> incident_receiver)
+    : incident_receiver_(incident_receiver.Pass()),
+      allow_null_profile_for_testing_(false),
+      weak_ptr_factory_(this) {
+  InitializeHashSets();
+}
+
+ResourceRequestDetector::~ResourceRequestDetector() {
+}
+
+void ResourceRequestDetector::OnResourceRequest(
+    const net::URLRequest* request) {
+  // Only look at actual net requests (e.g., not chrome-extensions://id/foo.js).
+  if (!request->url().SchemeIsHTTPOrHTTPS())
+    return;
+
+  DetectDomainRequests(request);
+  DetectScriptRequests(request);
+}
+
+void ResourceRequestDetector::DetectDomainRequests(
+    const net::URLRequest* request) {
+  const content::ResourceRequestInfo* request_info =
+      content::ResourceRequestInfo::ForRequest(request);
+
+  // Only detect non top-level requests

[grt (UTC plus 2), 2015/03/27 14:17:43]

nit: add a period at the end of the sentence.

[romanl, 2015/03/30 14:46:50]

Done.

+  if (request_info->GetResourceType() == content::RESOURCE_TYPE_MAIN_FRAME)
+    return;
+
+  std::string domain_digest(crypto::kSHA256Length, '\0');
+  crypto::SHA256HashString(request->url().host().c_str(), &domain_digest[0],

[grt (UTC plus 2), 2015/03/27 14:17:43]

StringPiece is more efficient if you give it a std::string rather than a char*,
so use request->url().host() here without the .c_str()

[romanl, 2015/03/30 14:46:50]

Done.

+                           crypto::kSHA256Length);
+
+  if (domain_set_.count(domain_digest)) {
+    DVLOG(1) << "Domain detector match found.";
+
+    scoped_ptr<ClientIncidentReport_IncidentData_ResourceRequestIncident>
+        incident_data(
+            new ClientIncidentReport_IncidentData_ResourceRequestIncident());
+    incident_data->set_type(
+        ClientIncidentReport_IncidentData_ResourceRequestIncident::TYPE_DOMAIN);
+    incident_data->set_digest(domain_digest);
+
+    // This next bit of work needs a profile, so has to happen on the UI
+    // thread.
+    int render_process_id = 0;
+    int render_frame_id = 0;
+    content::ResourceRequestInfo::GetRenderFrameForRequest(
+        request, &render_process_id, &render_frame_id);
+
+    content::BrowserThread::PostTask(
+        content::BrowserThread::UI, FROM_HERE,
+        base::Bind(&ResourceRequestDetector::ReportIncidentOnUIThread,
+                   weak_ptr_factory_.GetWeakPtr(), render_process_id,
+                   render_frame_id, base::Passed(&incident_data)));
+  }
+}
+
+void ResourceRequestDetector::DetectScriptRequests(
+    const net::URLRequest* request) {
+  const content::ResourceRequestInfo* request_info =
+      content::ResourceRequestInfo::ForRequest(request);
+
+  if (request_info->GetResourceType() != content::RESOURCE_TYPE_SCRIPT)
+    return;
+
+  DVLOG(1) << "Script request: " << request->url().spec();
+
+  std::string url(request->url().host() + request->url().path());
+  std::string script_digest(crypto::kSHA256Length, '\0');
+  crypto::SHA256HashString(url.c_str(), &script_digest[0],

[grt (UTC plus 2), 2015/03/27 14:17:43]

oops, same thing here: url should work without the .c_str()

[romanl, 2015/03/30 14:46:50]

Done.

+                           crypto::kSHA256Length);
+
+  if (script_set_.count(script_digest)) {
+    DVLOG(1) << "Script detector match found.";
+
+    scoped_ptr<ClientIncidentReport_IncidentData_ResourceRequestIncident>
+        incident_data(
+            new ClientIncidentReport_IncidentData_ResourceRequestIncident());
+    incident_data->set_type(
+        ClientIncidentReport_IncidentData_ResourceRequestIncident::TYPE_SCRIPT);
+    incident_data->set_digest(script_digest);
+
+    // This next bit of work needs a profile, so has to happen on the UI
+    // thread.
+    int render_process_id = 0;
+    int render_frame_id = 0;
+    content::ResourceRequestInfo::GetRenderFrameForRequest(
+        request, &render_process_id, &render_frame_id);
+
+    content::BrowserThread::PostTask(
+        content::BrowserThread::UI, FROM_HERE,
+        base::Bind(&ResourceRequestDetector::ReportIncidentOnUIThread,
+                   weak_ptr_factory_.GetWeakPtr(), render_process_id,
+                   render_frame_id, base::Passed(&incident_data)));
+  }
+}
+
+void ResourceRequestDetector::set_allow_null_profile_for_testing(
+    bool allow_null_profile_for_testing) {
+  allow_null_profile_for_testing_ = allow_null_profile_for_testing;
+}
+
+void ResourceRequestDetector::InitializeHashSets() {
+  // Store a hashed set of decoded string hashes. Probably slower than a linear
+  // search for this size list, but this is only temporary.
+  for (const char* encoded_hash : kScriptHashes)
+    script_set_.insert(std::string(encoded_hash, crypto::kSHA256Length));
+
+  for (const char* encoded_hash : kDomainHashes)
+    domain_set_.insert(std::string(encoded_hash, crypto::kSHA256Length));
+}
+
+void ResourceRequestDetector::ReportIncidentOnUIThread(
+    int render_process_id,
+    int render_frame_id,
+    scoped_ptr<ClientIncidentReport_IncidentData_ResourceRequestIncident>
+        incident_data) {
+  DCHECK_CURRENTLY_ON(content::BrowserThread::UI);
+
+  Profile* profile = GetProfileForRenderProcessId(render_process_id);
+  if (profile || allow_null_profile_for_testing_) {
+    // Add the URL obtained from the RenderFrameHost, if available.
+    GURL host_url = GetUrlForRenderFrameId(render_process_id, render_frame_id);
+    if (host_url.is_valid())
+      incident_data->set_origin(host_url.GetOrigin().spec());
+
+    incident_receiver_->AddIncidentForProfile(
+        profile,
+        make_scoped_ptr(new ResourceRequestIncident(incident_data.Pass())));
+  }
+}
+
+}  // namespace safe_browsing