Fix some compiler warnings (miscellaneous)
https://bugs.webkit.org/show_bug.cgi?id=80790

Patch by Jacky Jiang <zhajiang@blackberry.com> on 2013-05-10.
Reviewed by Rob Buis.

Source/WebKit/blackberry:

Fix the following warnings for BlackBerry:
BackingStore.cpp:852:60: warning: suggest parentheses around '&&' within
'||' [-Wparentheses].
WebPage.cpp:2858:40: warning: suggest parentheses around assignment used
as truth value [-Wparentheses].
WebPage.cpp:2880:42: warning: suggest parentheses around assignment used
as truth value [-Wparentheses]

* Api/BackingStore.cpp:
(BlackBerry::WebKit::BackingStorePrivate::updateTilesAfterBackingStoreRectChange):
* Api/WebPage.cpp:
(BlackBerry::WebKit::WebPagePrivate::adjustRectOffsetForFrameOffset):
(BlackBerry::WebKit::WebPagePrivate::blockZoomRectForNode):

Tools:

Fix the following warnings for BlackBerry:
DumpRenderTree.cpp:357:42: warning: suggest parentheses around assignment
used as truth value [-Wparentheses].

* DumpRenderTree/blackberry/DumpRenderTree.cpp:
(BlackBerry::WebKit::DumpRenderTree::resetToConsistentStateBeforeTesting):

git-svn-id: http://svn.webkit.org/repository/webkit/trunk@149907 268f45cc-cd09-0410-ab3c-d52691b4dbfc