diff --git a/polygerrit-ui/app/elements/diff/gr-diff-processor/gr-diff-processor.ts b/polygerrit-ui/app/elements/diff/gr-diff-processor/gr-diff-processor.ts
index 39e12ca..08ea1a6 100644
--- a/polygerrit-ui/app/elements/diff/gr-diff-processor/gr-diff-processor.ts
+++ b/polygerrit-ui/app/elements/diff/gr-diff-processor/gr-diff-processor.ts
@@ -274,7 +274,7 @@
   }
 
   _isCollapsibleChunk(chunk: DiffContent) {
-    return (chunk.ab || chunk.common) && !chunk.keyLocation;
+    return (chunk.ab || chunk.common || chunk.skip) && !chunk.keyLocation;
   }
 
   /**
@@ -326,7 +326,11 @@
   }
 
   _commonChunkLength(chunk: DiffContent) {
+    if (chunk.skip) {
+      return chunk.skip;
+    }
     console.assert(!!chunk.ab || !!chunk.common);
+
     console.assert(
       !chunk.a || (!!chunk.b && chunk.a.length === chunk.b.length),
       'common chunk needs same number of a and b lines: ',
@@ -354,13 +358,21 @@
     offsetLeft: number,
     offsetRight: number
   ): GrDiffGroup {
-    const type = chunk.ab ? GrDiffGroupType.BOTH : GrDiffGroupType.DELTA;
+    const type =
+      chunk.ab || chunk.skip ? GrDiffGroupType.BOTH : GrDiffGroupType.DELTA;
     const lines = this._linesFromChunk(chunk, offsetLeft, offsetRight);
     const group = new GrDiffGroup(type, lines);
     group.keyLocation = !!chunk.keyLocation;
     group.dueToRebase = !!chunk.due_to_rebase;
     group.dueToMove = !!chunk.due_to_move;
+    group.skip = chunk.skip;
     group.ignoredWhitespaceOnly = !!chunk.common;
+    if (chunk.skip) {
+      group.lineRange = {
+        left: {start: offsetLeft, end: offsetLeft + chunk.skip - 1},
+        right: {start: offsetRight, end: offsetRight + chunk.skip - 1},
+      };
+    }
     return group;
   }
 
@@ -497,7 +509,7 @@
 
     for (const chunk of chunks) {
       // If it isn't a common chunk, append it as-is and update line numbers.
-      if (!chunk.ab && !chunk.common) {
+      if (!chunk.ab && !chunk.skip && !chunk.common) {
         if (chunk.a) {
           leftLineNum += chunk.a.length;
         }
@@ -522,7 +534,13 @@
       leftLineNum += numLines;
       rightLineNum += numLines;
 
-      if (chunk.ab) {
+      if (chunk.skip) {
+        result.push({
+          ...chunk,
+          skip: chunk.skip,
+          keyLocation: false,
+        });
+      } else if (chunk.ab) {
         result.push(
           ...this._splitAtChunkEnds(chunk.ab, chunkEnds).map(
             ({lines, keyLocation}) => {
diff --git a/polygerrit-ui/app/elements/diff/gr-diff-processor/gr-diff-processor_test.js b/polygerrit-ui/app/elements/diff/gr-diff-processor/gr-diff-processor_test.js
index 3a074bb..eed5900 100644
--- a/polygerrit-ui/app/elements/diff/gr-diff-processor/gr-diff-processor_test.js
+++ b/polygerrit-ui/app/elements/diff/gr-diff-processor/gr-diff-processor_test.js
@@ -171,6 +171,56 @@
         });
       });
 
+      test('at the beginning with skip chunks', async () => {
+        element.context = 10;
+        const content = [
+          {ab: new Array(20)
+              .fill('all work and no play make jack a dull boy')},
+          {skip: 43900},
+          {ab: new Array(30)
+              .fill('some other content')},
+          {a: ['some other content']},
+        ];
+
+        await element.process(content);
+
+        const groups = element.groups;
+
+        // group[0] is the file group
+
+        const commonGroup = groups[1];
+
+        // Hidden context before
+        assert.equal(commonGroup.type, GrDiffGroupType.CONTEXT_CONTROL);
+        assert.instanceOf(commonGroup.contextGroups[0], GrDiffGroup);
+        assert.equal(commonGroup.contextGroups[0].lines.length, 20);
+        for (const l of commonGroup.contextGroups[0].lines) {
+          assert.equal(l.text, 'all work and no play make jack a dull boy');
+        }
+
+        // Skipped group
+        const skipGroup = commonGroup.contextGroups[1];
+        assert.equal(skipGroup.skip, 43900);
+        const expectedRange = {
+          left: {start: 21, end: 43920},
+          right: {start: 21, end: 43920},
+        };
+        assert.deepEqual(skipGroup.lineRange, expectedRange);
+
+        // Hidden context after
+        assert.equal(commonGroup.contextGroups[2].lines.length, 20);
+        for (const l of commonGroup.contextGroups[2].lines) {
+          assert.equal(l.text, 'some other content');
+        }
+
+        // Displayed lines
+        assert.equal(groups[2].type, GrDiffGroupType.BOTH);
+        assert.equal(groups[2].lines.length, 10);
+        for (const l of groups[2].lines) {
+          assert.equal(l.text, 'some other content');
+        }
+      });
+
       test('at the beginning, smaller than context', () => {
         element.context = 10;
         const content = [
@@ -414,6 +464,55 @@
       });
     });
 
+    test('in the middle with skip chunks', async () => {
+      element.context = 10;
+      const content = [
+        {a: ['all work and no play make andybons a dull boy']},
+        {ab: new Array(20)
+            .fill('all work and no play make jill a dull girl')},
+        {skip: 60},
+        {ab: new Array(20)
+            .fill('all work and no play make jill a dull girl')},
+        {a: ['all work and no play make andybons a dull boy']},
+      ];
+
+      await element.process(content);
+
+      const groups = element.groups;
+
+      // group[0] is the file group
+      // group[1] is the chunk with a
+      // group[2] is the displayed part of ab before
+
+      const commonGroup = groups[3];
+
+      // Hidden context before
+      assert.equal(commonGroup.type, GrDiffGroupType.CONTEXT_CONTROL);
+      assert.instanceOf(commonGroup.contextGroups[0], GrDiffGroup);
+      assert.equal(commonGroup.contextGroups[0].lines.length, 10);
+      for (const l of commonGroup.contextGroups[0].lines) {
+        assert.equal(
+            l.text, 'all work and no play make jill a dull girl');
+      }
+
+      // Skipped group
+      const skipGroup = commonGroup.contextGroups[1];
+      assert.equal(skipGroup.skip, 60);
+      const expectedRange = {
+        left: {start: 22, end: 81},
+        right: {start: 21, end: 80},
+      };
+      assert.deepEqual(skipGroup.lineRange, expectedRange);
+
+      // Hidden context after
+      assert.equal(commonGroup.contextGroups[2].lines.length, 10);
+      for (const l of commonGroup.contextGroups[2].lines) {
+        assert.equal(
+            l.text, 'all work and no play make jill a dull girl');
+      }
+      // group[4] is the displayed part of the second ab
+    });
+
     test('break up common diff chunks', () => {
       element.keyLocations = {
         left: {1: true},