Rename InsertionAndDeletionTest to avoid collisions with other tests

There are InsertionAndDeletionTest functions in both PODIntervalTreeTest
and PODRedBlackTreeTest and in jumbo builds they collide. This patch
renames one of them TreeInsertionAndDeletionTest.

Bug: 745732
Change-Id: Ieba300f4532695060250cb70f88f53713158ccf1
Reviewed-on: https://chromium-review.googlesource.com/671228Reviewed-by: Kentaro Hara <haraken@chromium.org>
Commit-Queue: Daniel Bratell <bratell@opera.com>
Cr-Commit-Position: refs/heads/master@{#502808}

third_party/WebKit/Source/platform/PODIntervalTreeTest.cpp

@@ -205,7 +205,7 @@ struct ValueToString<int> {
 
 namespace {
 
-void InsertionAndDeletionTest(int32_t seed, int tree_size) {
+void TreeInsertionAndDeletionTest(int32_t seed, int tree_size) {
   InitRandom(seed);
   int maximum_value = tree_size;
   // Build the tree
@@ -279,11 +279,11 @@ void InsertionAndDeletionTest(int32_t seed, int tree_size) {
 }  // anonymous namespace
 
 TEST(PODIntervalTreeTest, RandomDeletionAndInsertionRegressionTest1) {
-  InsertionAndDeletionTest(13972, 100);
+  TreeInsertionAndDeletionTest(13972, 100);
 }
 
 TEST(PODIntervalTreeTest, RandomDeletionAndInsertionRegressionTest2) {
-  InsertionAndDeletionTest(1283382113, 10);
+  TreeInsertionAndDeletionTest(1283382113, 10);
 }
 
 TEST(PODIntervalTreeTest, RandomDeletionAndInsertionRegressionTest3) {