Make all pdb file names follow the same naming convention.

build/common.gypi

 # Copyright (c) 2012 The Chromium Authors. All rights reserved.
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.
 
 # IMPORTANT:
 # Please don't directly include this file if you are building via gyp_chromium,
 # since gyp_chromium is automatically forcing its inclusion.
 {
   # Variables expected to be overriden on the GYP command line (-D) or by
   # ~/.gyp/include.gypi.
@@ skipping 1771 matching lines @@
               # Generates debug info when win_z7=1
               # even if fastbuild=1 (that makes GenerateDebugInformation false).
               'VCLinkerTool': {
                 'GenerateDebugInformation': 'true',
               },
               'VCCLCompilerTool': {
                 'DebugInformationFormat': '1',
               }
             }
           }],
+          ['"<(GENERATOR)"=="msvs"', {
+            'msvs_settings': {
+              'VCLinkerTool': {
+                # Make the pdb name sane. Otherwise foo.exe and foo.dll both
+                # have foo.pdb. The ninja generator already defaults to this and
+                # can't handle the $(TargetPath) macro.
+                'ProgramDatabaseFile': '$(TargetPath).pdb',
+              }
+            },
+          }],
         ],  # win_z7!=0
       }],  # OS==win
       ['enable_task_manager==1', {
         'defines': [
           'ENABLE_TASK_MANAGER=1',
         ],
       }],
       ['enable_web_intents==1', {
         'defines': [
           'ENABLE_WEB_INTENTS=1',
@@ skipping 1972 matching lines @@
     # settings in target dicts.  SYMROOT is a special case, because many other
     # Xcode variables depend on it, including variables such as
     # PROJECT_DERIVED_FILE_DIR.  When a source group corresponding to something
     # like PROJECT_DERIVED_FILE_DIR is added to a project, in order for the
     # files to appear (when present) in the UI as actual files and not red
     # red "missing file" proxies, the correct path to PROJECT_DERIVED_FILE_DIR,
     # and therefore SYMROOT, needs to be set at the project level.
     'SYMROOT': '<(DEPTH)/xcodebuild',
   },
 }