Swap icons for location bar security states

This CL is the first step: create new imagesets + 1 function to return the
correct image name.

Bug: 821815
Cq-Include-Trybots: luci.chromium.try:ios-simulator-full-configs;master.tryserver.chromium.mac:ios-simulator-cronet
Change-Id: Ia2ce8dc327226857b3105605b23b5b220edb9ff6
Reviewed-on: https://chromium-review.googlesource.com/1088912
Commit-Queue: Elodie Banel <lod@chromium.org>
Reviewed-by: Justin Cohen <justincohen@chromium.org>
Reviewed-by: Stepan Khapugin <stkhapugin@chromium.org>
Cr-Commit-Position: refs/heads/master@{#565628}

ios/chrome/browser/ui/location_bar/resources/BUILD.gn

@@ -75,3 +75,30 @@ imageset("location_bar_offline") {
     "location_bar_offline.imageset/location_bar_offline@3x.png",
   ]
 }
+
+imageset("location_bar_secure") {
+  sources = [
+    "location_bar_secure.imageset/Contents.json",
+    "location_bar_secure.imageset/location_bar_secure.png",
+    "location_bar_secure.imageset/location_bar_secure@2x.png",
+    "location_bar_secure.imageset/location_bar_secure@3x.png",
+  ]
+}
+
+imageset("location_bar_dangerous") {
+  sources = [
+    "location_bar_dangerous.imageset/Contents.json",
+    "location_bar_dangerous.imageset/location_bar_dangerous.png",
+    "location_bar_dangerous.imageset/location_bar_dangerous@2x.png",
+    "location_bar_dangerous.imageset/location_bar_dangerous@3x.png",
+  ]
+}
+
+imageset("location_bar_insecure") {
+  sources = [
+    "location_bar_insecure.imageset/Contents.json",
+    "location_bar_insecure.imageset/location_bar_insecure.png",
+    "location_bar_insecure.imageset/location_bar_insecure@2x.png",
+    "location_bar_insecure.imageset/location_bar_insecure@3x.png",
+  ]
+}

ios/chrome/browser/ui/location_bar/resources/location_bar_dangerous.imageset/Contents.json

+{
+    "images": [
+        {
+            "idiom": "universal",
+            "scale": "1x",
+            "filename": "location_bar_dangerous.png"
+        },
+        {
+            "idiom": "universal",
+            "scale": "2x",
+            "filename": "location_bar_dangerous@2x.png"
+        },
+        {
+            "idiom": "universal",
+            "scale": "3x",
+            "filename": "location_bar_dangerous@3x.png"
+        }
+    ],
+    "info": {
+        "version": 1,
+        "author": "xcode"
+    }
+}

ios/chrome/browser/ui/location_bar/resources/location_bar_insecure.imageset/Contents.json

+{
+    "images": [
+        {
+            "idiom": "universal",
+            "scale": "1x",
+            "filename": "location_bar_insecure.png"
+        },
+        {
+            "idiom": "universal",
+            "scale": "2x",
+            "filename": "location_bar_insecure@2x.png"
+        },
+        {
+            "idiom": "universal",
+            "scale": "3x",
+            "filename": "location_bar_insecure@3x.png"
+        }
+    ],
+    "info": {
+        "version": 1,
+        "author": "xcode"
+    }
+}

ios/chrome/browser/ui/location_bar/resources/location_bar_secure.imageset/Contents.json

+{
+    "images": [
+        {
+            "idiom": "universal",
+            "scale": "1x",
+            "filename": "location_bar_secure.png"
+        },
+        {
+            "idiom": "universal",
+            "scale": "2x",
+            "filename": "location_bar_secure@2x.png"
+        },
+        {
+            "idiom": "universal",
+            "scale": "3x",
+            "filename": "location_bar_secure@3x.png"
+        }
+    ],
+    "info": {
+        "version": 1,
+        "author": "xcode"
+    }
+}

ios/chrome/browser/ui/omnibox/omnibox_util.cc

@@ -5,6 +5,7 @@
 #include "ios/chrome/browser/ui/omnibox/omnibox_util.h"
 
 #include "base/logging.h"
+#include "base/strings/utf_string_conversions.h"
 #include "ios/chrome/grit/ios_theme_resources.h"
 
 int GetIconForAutocompleteMatchType(AutocompleteMatchType::Type type,
@@ -71,3 +72,23 @@ int GetIconForSecurityState(security_state::SecurityLevel security_level) {
       return IDR_IOS_OMNIBOX_HTTP;
   }
 }
+
+base::string16 GetUIRefreshIconNameForSecurityState(
+    security_state::SecurityLevel security_level) {
+  switch (security_level) {
+    case security_state::NONE:
+    case security_state::HTTP_SHOW_WARNING:
+      return base::ASCIIToUTF16("location_bar_insecure");
+    case security_state::EV_SECURE:
+    case security_state::SECURE:
+      return base::ASCIIToUTF16("location_bar_secure");
+    case security_state::SECURE_WITH_POLICY_INSTALLED_CERT:
+      // TODO(crbug.com/848732): update this icon.
+      return base::ASCIIToUTF16("location_bar_secure");
+    case security_state::DANGEROUS:
+      return base::ASCIIToUTF16("location_bar_dangerous");
+    case security_state::SECURITY_LEVEL_COUNT:
+      NOTREACHED();
+      return base::ASCIIToUTF16("location_bar_insecure");
+  }
+}

ios/chrome/browser/ui/omnibox/omnibox_util.h

@@ -18,4 +18,9 @@ int GetIconForAutocompleteMatchType(AutocompleteMatchType::Type type,
 // for this security level in the omnibox.
 int GetIconForSecurityState(security_state::SecurityLevel security_level);
 
+// Converts |security_level| to the icon name used as a resource identifier for
+// this security level in the location bar.
+base::string16 GetUIRefreshIconNameForSecurityState(
+    security_state::SecurityLevel security_level);
+
 #endif  // IOS_CHROME_BROWSER_UI_OMNIBOX_OMNIBOX_UTIL_H_