Add use_allocator instead of linux_use_tcmalloc to switch the allocator.

chrome/chrome_tests.gypi

Index: chrome/chrome_tests.gypi
diff --git a/chrome/chrome_tests.gypi b/chrome/chrome_tests.gypi
index d09200e3e91a259fa59cb73e58ad919ffcaa3d5b..5d2b6ca4f3b36ef3a216d0770a2d49736239b91f 100644
--- a/chrome/chrome_tests.gypi
+++ b/chrome/chrome_tests.gypi
@@ -1984,7 +1984,8 @@
         }],
         ['os_posix == 1 and OS != "mac" and OS != "android"', {
           'conditions': [
-            ['linux_use_tcmalloc==1', {
+            # TODO(dmikurube): Kill linux_use_tcmalloc. http://crbug.com/345554
+            ['(use_allocator!="none" and use_allocator!="see_use_tcmalloc") or (use_allocator=="see_use_tcmalloc" and linux_use_tcmalloc==1)', {
               'dependencies': [
                 '../base/allocator/allocator.gyp:allocator',
               ],
@@ -2229,7 +2230,8 @@
         }],
         ['os_posix == 1 and OS != "mac" and OS != "android"', {
           'conditions': [
-            ['linux_use_tcmalloc==1', {
+            # TODO(dmikurube): Kill linux_use_tcmalloc. http://crbug.com/345554
+            ['(use_allocator!="none" and use_allocator!="see_use_tcmalloc") or (use_allocator=="see_use_tcmalloc" and linux_use_tcmalloc==1)', {
               'dependencies': [
                 '../base/allocator/allocator.gyp:allocator',
               ],
@@ -2318,7 +2320,8 @@
         }],
         ['os_posix == 1 and OS != "mac" and OS != "android"', {
           'conditions': [
-            ['linux_use_tcmalloc==1', {
+            # TODO(dmikurube): Kill linux_use_tcmalloc. http://crbug.com/345554
+            ['(use_allocator!="none" and use_allocator!="see_use_tcmalloc") or (use_allocator=="see_use_tcmalloc" and linux_use_tcmalloc==1)', {
               'dependencies': [
                 '../base/allocator/allocator.gyp:allocator',
               ],
@@ -2922,7 +2925,8 @@
             }],
             ['os_posix == 1 and OS != "mac" and OS != "android"', {
               'conditions': [
-                ['linux_use_tcmalloc==1', {
+                # TODO(dmikurube): Kill linux_use_tcmalloc. http://crbug.com/345554
+                ['(use_allocator!="none" and use_allocator!="see_use_tcmalloc") or (use_allocator=="see_use_tcmalloc" and linux_use_tcmalloc==1)', {
                   'dependencies': [
                     '../base/allocator/allocator.gyp:allocator',
                   ],