Rename a constant in editing unit tests to make it more unique.

kDescription is the name of two constants in editing unit_tests and
in jumbo builds those collides. This renames one of them
kTestDescription to make both constants have unique names.

R=fs@opera.com

Bug: 
Change-Id: I7fcb2fde1a6841ef92fe7d55a7b363da7c2c7fa0
Reviewed-on: https://chromium-review.googlesource.com/568146Reviewed-by: Fredrik Söderquist <fs@opera.com>
Commit-Queue: bratell at Opera <bratell@opera.com>
Cr-Commit-Position: refs/heads/master@{#485970}

third_party/WebKit/Source/core/editing/markers/SpellingMarkerTest.cpp

@@ -8,23 +8,23 @@
 
 namespace blink {
 
-const char* const kDescription = "Test description";
+const char* const kTestDescription = "Test description";
 
 class SpellingMarkerTest : public ::testing::Test {};
 
 TEST_F(SpellingMarkerTest, MarkerType) {
-  DocumentMarker* marker = new SpellingMarker(0, 1, kDescription);
+  DocumentMarker* marker = new SpellingMarker(0, 1, kTestDescription);
   EXPECT_EQ(DocumentMarker::kSpelling, marker->GetType());
 }
 
 TEST_F(SpellingMarkerTest, IsSpellCheckMarker) {
-  DocumentMarker* marker = new SpellingMarker(0, 1, kDescription);
+  DocumentMarker* marker = new SpellingMarker(0, 1, kTestDescription);
   EXPECT_TRUE(IsSpellCheckMarker(*marker));
 }
 
 TEST_F(SpellingMarkerTest, ConstructorAndGetters) {
-  SpellingMarker* marker = new SpellingMarker(0, 1, kDescription);
-  EXPECT_EQ(kDescription, marker->Description());
+  SpellingMarker* marker = new SpellingMarker(0, 1, kTestDescription);
+  EXPECT_EQ(kTestDescription, marker->Description());
 }
 
 }  // namespace blink