Add metrics for same origin iframe JS modal dialogs

This adds use counters for same origin iframe use of alert, confirm,
print, and prompt.

Bug: 1047451
Change-Id: Ieee5a69821be5aa8a96af897073e5b8d3deb8cd7
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2032180
Auto-Submit: Carlos IL <carlosil@chromium.org>
Reviewed-by: Daniel Cheng <dcheng@chromium.org>
Commit-Queue: Carlos IL <carlosil@chromium.org>
Cr-Commit-Position: refs/heads/master@{#737163}

third_party/blink/public/mojom/web_feature/web_feature.mojom

@@ -2513,6 +2513,10 @@ enum WebFeature {
   kClassicSharedWorker = 3148,
   kModuleSharedWorker = 3149,
   kV8Animation_CommitStyles_Method = 3150,
+  kSameOriginIframeWindowAlert = 3151,
+  kSameOriginIframeWindowConfirm = 3152,
+  kSameOriginIframeWindowPrompt = 3153,
+  kSameOriginIframeWindowPrint = 3154,
 
   // Add new features immediately above this line. Don't change assigned
   // numbers of any item, and don't reuse removed slots.

third_party/blink/renderer/core/frame/local_dom_window.cc

@@ -706,6 +706,9 @@ void LocalDOMWindow::print(ScriptState* script_state) {
     return;
   }
 
+  if (!GetFrame()->IsMainFrame() && !GetFrame()->IsCrossOriginSubframe()) {
+    document()->CountUse(WebFeature::kSameOriginIframeWindowPrint);
+  }
   document()->CountUseOnlyInCrossOriginIframe(
       WebFeature::kCrossOriginWindowPrint);
 
@@ -743,6 +746,9 @@ void LocalDOMWindow::alert(ScriptState* script_state, const String& message) {
   if (!page)
     return;
 
+  if (!GetFrame()->IsMainFrame() && !GetFrame()->IsCrossOriginSubframe()) {
+    document()->CountUse(WebFeature::kSameOriginIframeWindowAlert);
+  }
   document()->CountUseOnlyInCrossOriginIframe(
       WebFeature::kCrossOriginWindowAlert);
 
@@ -773,6 +779,9 @@ bool LocalDOMWindow::confirm(ScriptState* script_state, const String& message) {
   if (!page)
     return false;
 
+  if (!GetFrame()->IsMainFrame() && !GetFrame()->IsCrossOriginSubframe()) {
+    document()->CountUse(WebFeature::kSameOriginIframeWindowConfirm);
+  }
   document()->CountUseOnlyInCrossOriginIframe(
       WebFeature::kCrossOriginWindowConfirm);
 
@@ -810,6 +819,9 @@ String LocalDOMWindow::prompt(ScriptState* script_state,
                                                    default_value, return_value))
     return return_value;
 
+  if (!GetFrame()->IsMainFrame() && !GetFrame()->IsCrossOriginSubframe()) {
+    document()->CountUse(WebFeature::kSameOriginIframeWindowPrompt);
+  }
   document()->CountUseOnlyInCrossOriginIframe(
       WebFeature::kCrossOriginWindowPrompt);
 

tools/metrics/histograms/enums.xml

@@ -26369,6 +26369,10 @@ to ensure that the crash string is shown properly on the user-facing crash UI.
   <int value="3148" label="ClassicSharedWorker"/>
   <int value="3149" label="ModuleSharedWorker"/>
   <int value="3150" label="V8Animation_CommitStyles_Method"/>
+  <int value="3151" label="SameOriginIframeWindowAlert"/>
+  <int value="3152" label="SameOriginIframeWindowConfirm"/>
+  <int value="3153" label="SameOriginIframeWindowPrompt"/>
+  <int value="3154" label="SameOriginIframeWindowPrint"/>
 </enum>
 
 <enum name="FeaturePolicyAllowlistType">