diff --git a/DEPS b/DEPS
index a0a352978f..e29de614e2 100644
--- a/DEPS
+++ b/DEPS
@@ -35,11 +35,11 @@ vars = {
 
   # Chromium build number for unit tests. It should be regularly updated to
   # the content of https://commondatastorage.googleapis.com/chromium-browser-snapshots/Linux_x64/LAST_CHANGE
-  'chromium_linux': '978153',
+  'chromium_linux': '978613',
   # the content of https://commondatastorage.googleapis.com/chromium-browser-snapshots/Win_x64/LAST_CHANGE
-  'chromium_win': '978146',
+  'chromium_win': '978603',
   # the content of https://commondatastorage.googleapis.com/chromium-browser-snapshots/Mac/LAST_CHANGE
-  'chromium_mac': '978151',
+  'chromium_mac': '978609',
 }
 
 # Only these hosts are allowed for dependencies in this DEPS file.
diff --git a/test/e2e/elements/style-pane-properties_test.ts b/test/e2e/elements/style-pane-properties_test.ts
index 0e626fd653..2ee27de31f 100644
--- a/test/e2e/elements/style-pane-properties_test.ts
+++ b/test/e2e/elements/style-pane-properties_test.ts
@@ -318,8 +318,8 @@ describe('The Styles pane', async () => {
           'incorrectly displayed style after initialization');
     }
 
-    await editQueryRuleText(rule1PropertiesSection, 'size(min-width: 300px)');
-    await editQueryRuleText(rule2PropertiesSection, 'size(max-width: 300px)');
+    await editQueryRuleText(rule1PropertiesSection, '(min-width: 300px)');
+    await editQueryRuleText(rule2PropertiesSection, '(max-width: 300px)');
 
     // Verify that computed styles correspond to the changes made.
     const computedStyles = [
diff --git a/test/e2e/resources/elements/css-container-queries.html b/test/e2e/resources/elements/css-container-queries.html
index 4e2519de39..7ccaa58bd1 100644
--- a/test/e2e/resources/elements/css-container-queries.html
+++ b/test/e2e/resources/elements/css-container-queries.html
@@ -10,7 +10,7 @@
     height: 0px;
   }
 
-  @container size(min-width: 100px) {
+  @container (min-width: 100px) {
     .rule1 {
       width: 10px;
     }
@@ -18,7 +18,7 @@
 </style>
 <script>
   const sheet = new CSSStyleSheet();
-  sheet.insertRule('@container size(min-width: 50px) { .rule2 { height: 10px; } }', 0);
+  sheet.insertRule('@container (min-width: 50px) { .rule2 { height: 10px; } }', 0);
   document.adoptedStyleSheets = [sheet];
 </script>
 <div class="rule1 rule2"></div>