dmprof: Fix gpu matchers in android.browser policy

tools/deep_memory_profiler/policy.android.browser.json

Index: tools/deep_memory_profiler/policy.android.browser.json
diff --git a/tools/deep_memory_profiler/policy.android.browser.json b/tools/deep_memory_profiler/policy.android.browser.json
index 388ab414c5ab6b667b755fb797b30ff76c9fc98c..f5fe68ec7c18d5a7c2e179d4f3bc785d03cf1dc4 100644
--- a/tools/deep_memory_profiler/policy.android.browser.json
+++ b/tools/deep_memory_profiler/policy.android.browser.json
@@ -28,7 +28,8 @@
     "unhooked-other",
     "no-bucket",
     "mmap-gpu-transferbuffer",
-    "mmap-gpu-ringbuffer",
+    "mmap-gpu-command-ringbuffer",
+    "mmap-gpu-transfer-ringbuffer",
     "mmap-catch-all",
     "tc-disk_cache-backing",
     "tc-disk_cache-other",
@@ -201,15 +202,20 @@
     },
     {
       "name": "mmap-gpu-transferbuffer",
-      "stacktrace": ".*gpu::TransferBufferManager::RegisterTransferBuffer.*",
+      "stacktrace": ".*content::GpuCommandBufferStub::OnRegisterTransferBuffer.*",
       "allocator": "mmap"
     },
     {
-      "name": "mmap-gpu-ringbuffer",
+      "name": "mmap-gpu-command-ringbuffer",
       "stacktrace": ".*gpu::CommandBufferHelper::AllocateRingBuffer.*",
       "allocator": "mmap"
     },
     {
+      "name": "mmap-gpu-transfer-ringbuffer",
+      "stacktrace": ".*gpu::TransferBuffer::AllocateRingBuffer.*",
+      "allocator": "mmap"
+    },
+    {
       "name": "mmap-catch-all",
       "stacktrace": ".*",
       "allocator": "mmap"