Update Breakpad to r825 to pick up some clang warning-related fixes

DEPS

 vars = {
   # Use this googlecode_url variable only if there is an internal mirror for it.
   # If you do not know, use the full path while defining your new deps entry.
   "googlecode_url": "http://%s.googlecode.com/svn",
   "webkit_trunk": "http://svn.webkit.org/repository/webkit/trunk",
   "nacl_trunk": "http://src.chromium.org/native_client/trunk",
   "webkit_revision": "92768",
   "chromium_git": "http://git.chromium.org/git",
   "swig_revision": "69281",
   # These hashes need to be updated when nacl_revision is changed.
@@ skipping 15 matching lines @@
   "v8_revision": "8765",
   "webrtc_revision": "242",
 
   # Note: On most bots, clang is not checked out via DEPS but by
   # tools/clang/scripts/update.sh. The script reads this line here.
   "clang_revision": "136602",
 }
 
 deps = {
   "src/breakpad/src":
-    (Var("googlecode_url") % "google-breakpad") + "/trunk/src@821",
+    (Var("googlecode_url") % "google-breakpad") + "/trunk/src@825",
 
   "src/build/util/support":
     "/trunk/deps/support@20411",
 
   "src/googleurl":
     (Var("googlecode_url") % "google-url") + "/trunk@159",
 
   "src/seccompsandbox":
     (Var("googlecode_url") % "seccompsandbox") + "/trunk@160",
 
@@ skipping 355 matching lines @@
   {
     # This downloads binaries for Native Client's integrated runtime (IRT)
     # library, which is built as NaCl untrusted code.
     "pattern": ".",
     "action": ["python", "src/build/download_nacl_irt.py",
                "--nacl_revision", Var("nacl_revision"),
                "--file_hash", "x86_32", Var("nacl_irt_hash_x86_32"),
                "--file_hash", "x86_64", Var("nacl_irt_hash_x86_64")],
   },
 ]