Start same-origin URLs with slash in cache storage dev tools

Bug: 760102
Change-Id: I3811976622dcc06845ac970de7436d7f1fb6896e
Reviewed-on: https://chromium-review.googlesource.com/1146122Reviewed-by: Dmitry Gozman <dgozman@chromium.org>
Commit-Queue: Xunran Ding <xunran.ding@samsung.com>
Cr-Commit-Position: refs/heads/master@{#578893}

third_party/WebKit/LayoutTests/http/tests/devtools/cache-storage/cache-data-expected.txt

@@ -9,9 +9,9 @@ Dumping CacheStorage tree:
         (cache empty)
 Dumping CacheStorage tree:
     cache: testCache1 - http://127.0.0.1:8000
-        1, text/plain, 0
-        2, text/plain, 0
+        /1, text/plain, 0
+        /2, text/plain, 0
     cache: testCache2 - http://127.0.0.1:8000
-        1, text/plain, 0
-        2, text/plain, 0
+        /1, text/plain, 0
+        /2, text/plain, 0
 

third_party/WebKit/LayoutTests/http/tests/devtools/cache-storage/cache-deletion-expected.txt

@@ -9,11 +9,11 @@ Dumping CacheStorage tree:
         (cache empty)
 Dumping CacheStorage tree:
     cache: testCache1 - http://127.0.0.1:8000
-        1, text/plain, 0
-        2, text/plain, 0
+        /1, text/plain, 0
+        /2, text/plain, 0
     cache: testCache2 - http://127.0.0.1:8000
-        1, text/plain, 0
-        2, text/plain, 0
+        /1, text/plain, 0
+        /2, text/plain, 0
 Deleting CacheStorage cache testCache2
 Dumping CacheStorage tree:
     (empty)

third_party/WebKit/LayoutTests/http/tests/devtools/cache-storage/cache-entry-deletion-expected.txt

@@ -4,15 +4,15 @@ Dumping CacheStorage tree:
     (empty)
 Dumping CacheStorage tree:
     cache: testCache1 - http://127.0.0.1:8000
-        1, text/plain, 0
-        2, text/plain, 0
+        /1, text/plain, 0
+        /2, text/plain, 0
     cache: testCache2 - http://127.0.0.1:8000
-        1, text/plain, 0
-        2, text/plain, 0
+        /1, text/plain, 0
+        /2, text/plain, 0
 Deleting CacheStorage entry http://fake.request2.com/2 in cache testCache2
 Dumping CacheStorage tree:
     cache: testCache1 - http://127.0.0.1:8000
-        1, text/plain, 0
+        /1, text/plain, 0
     cache: testCache2 - http://127.0.0.1:8000
-        1, text/plain, 0
+        /1, text/plain, 0
 

third_party/WebKit/LayoutTests/http/tests/devtools/cache-storage/cache-live-update-cache-content-expected.txt

@@ -8,7 +8,7 @@ Dumping CacheStorage tree:
 Added entry
 Dumping CacheStorage tree:
     cache: testCache1 - http://127.0.0.1:8000
-        1, text/plain, 0
+        /1, text/plain, 0
 Deleted entry
 Dumping CacheStorage tree:
     cache: testCache1 - http://127.0.0.1:8000

third_party/blink/renderer/devtools/front_end/resources/ServiceWorkerCacheViews.js

@@ -341,8 +341,6 @@ Resources.ServiceWorkerCacheView.DataGridNode = class extends DataGrid.DataGridN
     this._path = Common.ParsedURL.extractPath(request.url());
     if (!this._path)
       this._path = request.url();
-    if (this._path.length > 1 && this._path.startsWith('/'))
-      this._path = this._path.substring(1);
     this._request = request;
   }