Only default incremental linking on in shared_library

static_library + incremental explodes due to overly large size when all the
.objs are pulled into the final binary.

BUG=143660


Review URL: https://chromiumcodereview.appspot.com/10825461

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@152412 0039d316-1c4b-4281-b951-d872f2087c98

build/common.gypi

@@ -1051,8 +1051,11 @@
           ['component=="shared_library"', {
             'win_use_allocator_shim%': 0,
           }],
-          ['"<(GENERATOR)"=="ninja"', {
+          ['component=="shared_library" and "<(GENERATOR)"=="ninja"', {
             # Only enabled by default for ninja because it's buggy in VS.
+            # Not enabled for component=static_library because some targets
+            # are too large and the toolchain fails due to the size of the
+            # .obj files.
             'incremental_chrome_dll%': 1,
           }],
           # Whether to use multiple cores to compile with visual studio. This is