Forgot to add docs.crx to the list of files to copy in r135906.

build/common.gypi

Index: build/common.gypi
diff --git a/build/common.gypi b/build/common.gypi
index 47e937d214532028a7c5fed7531dc84f2f908214..7e64aa0806784fefe01ee04bc719bfe867caae65 100644
--- a/build/common.gypi
+++ b/build/common.gypi
@@ -40,14 +40,14 @@
 
           # Enable HiDPI support.
           'enable_hidpi%': 0,
-          
+
           # Enable touch optimized art assets and metrics.
           'enable_touch_ui%': 0,
 
           # Enable inclusion of touch-optimized resources.
           # TODO(joi): Rename to enable_touch_assets.
           'enable_metro%': 0,
-          
+
           # Is this change part of the android upstream bringup?
           # Allows us to *temporarily* disable certain things for
           # staging.  Only set to 1 in a GYP_DEFINES.
@@ -105,7 +105,7 @@
           ['OS=="mac"', {
             'enable_hidpi%': 1,
           }],
-          
+
           # Enable touch UI on Metro and Chrome OS.
           ['enable_metro==1 or chromeos==1', {
             'enable_touch_ui%': 1,
@@ -819,9 +819,9 @@
         'variables': {
           'variables': {
             'android_ndk_root%': '<!(/bin/echo -n $ANDROID_NDK_ROOT)',
-            # Android uses x86 instead of ia32 for their target_arch 
+            # Android uses x86 instead of ia32 for their target_arch
             # designation.
-            # TODO(wistoch): Adjust the target_arch naming scheme to avoid 
+            # TODO(wistoch): Adjust the target_arch naming scheme to avoid
             # confusion.
             # http://crbug.com/125329
             'conditions': [
@@ -1140,12 +1140,14 @@
     # default_apps/external_extensions.json file must also be updated.
     'default_apps_list': [
       'browser/resources/default_apps/external_extensions.json',
+      'browser/resources/default_apps/docs.crx',
       'browser/resources/default_apps/gmail.crx',
       'browser/resources/default_apps/search.crx',
       'browser/resources/default_apps/youtube.crx',
     ],
     'default_apps_list_linux_dest': [
       '<(PRODUCT_DIR)/default_apps/external_extensions.json',
+      '<(PRODUCT_DIR)/default_apps/docs.crx',
       '<(PRODUCT_DIR)/default_apps/gmail.crx',
       '<(PRODUCT_DIR)/default_apps/search.crx',
       '<(PRODUCT_DIR)/default_apps/youtube.crx',