Add the linux_use_heapchecker GYP variable that should turn the tcmalloc heap

lleak checker on and off.
Review URL: http://codereview.chromium.org/1334002

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@42740 0039d316-1c4b-4281-b951-d872f2087c98

base/allocator/allocator.gyp

@@ -332,9 +332,19 @@
               # Do the same for heap leak checker.
               '-Wl,-u_Z21InitialMallocHook_NewPKvj,-u_Z22InitialMallocHook_MMapPKvS0_jiiix,-u_Z22InitialMallocHook_SbrkPKvi',
               '-Wl,-u_Z21InitialMallocHook_NewPKvm,-u_Z22InitialMallocHook_MMapPKvS0_miiil,-u_Z22InitialMallocHook_SbrkPKvl',
+            ]},
+          }],
+          [ 'linux_use_heapchecker==0', {
+            # Do not compile and link the heapchecker source.
+            'sources!': [
+              '<(tcmalloc_dir)/src/heap-checker-bcad.cc',
+              '<(tcmalloc_dir)/src/heap-checker.cc',
             ],
-          },
-        }],
+            # Disable the heap checker in tcmalloc.
+            'cflags': [
+              '-DNO_HEAP_CHECK',
+            ],
+          }],
       ],
     },
     {

base/leak_annotations.h

@@ -7,7 +7,7 @@
 
 #include "build/build_config.h"
 
-#if defined(OS_LINUX) && defined(USE_TCMALLOC)
+#if defined(OS_LINUX) && defined(USE_HEAPCHECKER)
 
 #include "third_party/tcmalloc/chromium/src/google/heap-checker.h"
 

build/build_config.h

@@ -65,6 +65,11 @@
 #define USE_TCMALLOC 1
 #endif
 
+// Use heapchecker.
+#if (defined(OS_WIN) || defined(OS_LINUX)) && !defined(NO_HEAPCHECKER)
+#define USE_HEAPCHECKER 1
+#endif
+
 // Compiler detection.
 #if defined(__GNUC__)
 #define COMPILER_GCC 1

build/common.gypi

@@ -205,6 +205,9 @@
     # Enable TCMalloc.
     'linux_use_tcmalloc%': 1,
 
+    # Disable TCMalloc's heapchecker.
+    'linux_use_heapchecker%': 0,
+
     # Set to select the Title Case versions of strings in GRD files.
     'use_titlecase_in_grd_files%': 0,
 
@@ -965,9 +968,15 @@
               }]
             ],
           }],
+          ['linux_use_heapchecker==1', {
+            'variables': {'linux_use_tcmalloc%': 1},
+          }],
           ['linux_use_tcmalloc==0', {
             'defines': ['NO_TCMALLOC'],
           }],
+          ['linux_use_heapchecker==0', {
+            'defines': ['NO_HEAPCHECKER'],
+          }],
         ],
       },
     }],