Enable /PROFILE for Release builds and remove it from Debug builds.

Landing this change for rogerm@chromium.org, original review at http://codereview.chromium.org/7541080/.

BUG=None
TEST=Incremental linking works again.
Review URL: http://codereview.chromium.org/7106002

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@95878 0039d316-1c4b-4281-b951-d872f2087c98

build/common.gypi

@@ -1154,7 +1154,16 @@
             ],
           },
           'VCLinkerTool': {
+            # LinkIncremental is a tri-state boolean, where 0 means default
+            # (i.e., inherit from parent solution), 1 means false, and
+            # 2 means true.
             'LinkIncremental': '1',
+            # This corresponds to the /PROFILE flag which ensures the PDB
+            # file contains FIXUP information (growing the PDB file by about
+            # 5%) but does not otherwise alter the output binary. This
+            # information is used by the Syzygy optimization tool when
+            # decomposing the release image.
+            'Profile': 'true',
           },
         },
         'conditions': [

chrome/chrome_dll.gypi

@@ -152,15 +152,6 @@
                   # on whether or not optimize_with_syzygy==1.
                   'ProgramDatabaseFile': '$(OutDir)\\initial\\chrome_dll.pdb',
                   'OutputFile': '$(OutDir)\\initial\\chrome.dll',
-                  'conditions': [
-                    ['fastbuild==0', {
-                      # This corresponds to the /PROFILE flag which ensures the PDB
-                      # file contains FIXUP information. This information is used
-                      # by the Syzygy optimization tool. Syzygy optimization is
-                      # disabled when fastbuild!=0.
-                      'Profile': 'true',
-                    }],
-                  ],
                 },
               },
             }],  # OS=="win"