Add parentheses to appease -Wstring-concatenation

Bug: 1114873
Change-Id: I0438a12c93fcff3d3d1d17c4951e3dc03b454cdb
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2357516Reviewed-by: Justin Donnelly <jdonnelly@chromium.org>
Commit-Queue: Arthur Eubanks <aeubanks@google.com>
Cr-Commit-Position: refs/heads/master@{#798765}

components/omnibox/browser/omnibox_view_unittest.cc

@@ -77,8 +77,8 @@ TEST_F(OmniboxViewTest, TestStripSchemasUnsafeForPaste) {
       "javAscript:alert(1)",                          // Unsafe JS URL.
       "javAscript:javascript:alert(2)",               // Single strip unsafe.
       "jaVascript:\njavaScript:\x01 alert(3) \x01",   // Single strip unsafe.
-      "\x01\x02\x03\x04\x05\x06\x07\x08\x09\x10\x11\x12\x13\x14\x15\x16\x17"
-      "\x18\x19 JavaScript:alert(4)",  // Leading control chars unsafe.
+      ("\x01\x02\x03\x04\x05\x06\x07\x08\x09\x10\x11\x12\x13\x14\x15\x16\x17"
+       "\x18\x19 JavaScript:alert(4)"),  // Leading control chars unsafe.
       "\x01\x02javascript:\x03\x04JavaScript:alert(5)"  // Embedded control
                                                         // characters unsafe.
   };

components/search_engines/template_url_prepopulate_data_unittest.cc

@@ -316,8 +316,8 @@ TEST_F(TemplateURLPrepopulateDataTest, GetEngineTypeAdvanced) {
 
   // Non-Google URLs.
   const char* kYahooURLs[] = {
-      "http://search.yahoo.com/search?"
-      "ei={inputEncoding}&fr=crmas&p={searchTerms}",
+      ("http://search.yahoo.com/search?"
+       "ei={inputEncoding}&fr=crmas&p={searchTerms}"),
       "http://search.yahoo.com/search?p={searchTerms}",
       // Aggressively match types by checking just TLD+1.
       "http://someothersite.yahoo.com/",